EOC Practice Test Reporting Category 3.

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Presentation transcript:

EOC Practice Test Reporting Category 3

Algebra Reporting Category 3

Which is an equivalent form for all values of x, y, and z for which the expression is is defined? C. B. D.

Which expression is equivalent to n2 + 22n + 121? A. (n + 100)(n + 21) B. (n + 11)(n – 11) C. (n – 11)(n – 11) D. (n + 11)(n + 11)

3. Which ordered pair, (x, y), represents the solution for the system of equations? 5.5x + 1.5y = 34 x + y = 11 (7, 5) C. (6, 6) B. (4, 8) D. (3, 11 )

Factor x2 – 5x – 36. A. (x – 9)(x + 4) B. (x + 9)(x – 4) C. (x – 2)(x + 18) D. (x + 2)(x – 18)

Simplify the following expression for all values of x for which the expression is defined. x2 + 8x – 16 x2 – 8x + 16 x2 + 16 D. x2 – 16

Which equation best represents the line shown? A. y = 1.25x + 6 B. y = 1.25x – 5 C. y = 0.8x + 6 D. y = 0.8x – 5

7. What is the sum of w3 + 7w2 + 5 and D. 5w3 + 7w2 – 16

8. Which set represents the relation shown on the graph? {–3, –2, 1, 4, 6} {1, 2, 3, 4, 5} {(–3,5), (–2,3), (1,4), (4,1), (6,2)} {(5,–3), (3, –2), (4,1), (1,4), (2,6)}

Which function represents the linear pattern shown in the table? x f(x) 1 3 2 7 11 4 15 f(x) = x + 4 C. f(x) = 4x – 1 B. f(x) = x + 2 D. f(x) = 2x + 1

At the beginning of year 1, Laura deposits $500 in an account that pays 4% interest compounded annually. She makes no other deposits or withdrawals. The amount in the account at the beginning of each year is shown in the table. Which function represents A(n), the amount In Laura’s account at the beginning of year 4?

A(n) = 500(1.04)n+2 A(n) = 500(1.04)n+1 A(n) = 500(1.04)n Year, n Amount in account, A(n) 1 500 2 500(1.04) 3 500(1.04)2 4 500(1.04)3 A(n) = 500(1.04)n+2 A(n) = 500(1.04)n+1 A(n) = 500(1.04)n D. A(n) = 500(1.04)n-1

Simplify the following expression for all values of x for which the expression is defined. A. C. x2 + 15x B. D. 3x2 + 15x

Which equation best represents the graph of the line? A. B. C. D.

What is the value of the function f(x) = x2 – 7x + 3 when x = –5? A. –7 B. –57 C. 13 D. 63

14. Solve 8x – 7 < 25 < 2x + 9. < x < 17 17 < x < 8 < x < 4 D. 4 < x < 8

15. This graph represents a relation. Which set of ordered pairs is included in this relation? {(–2, –3), (–2, –1), (3, 4)} {(–4, 1), (–1, 2), (0, 1)} {(–3, –2), (–1, –2), (4, 3)} D. {(–3, –3), (–1, 0), (1, 2)}

Which values of x make the equation true? x2 + 3x – 10 = 0 A. –5 and 2 B. –2 and 5 C. –10 and 1 D. –1 and 10

Which compound inequality represents A. 15 ≤ 4 – 11n ≤ –15 B. 15 ≥ 4 – 11n ≤ –15 C. –15 ≤ 4 – 11n ≥ 15 D. –15 ≤ 4 – 11n ≤ 15

Simplify the expression below and state all restrictions on the domain. , x ≠ 8 and x ≠ –5 C. B. , x ≠ 2 and x ≠ –5 D. , x ≠ –8 and x ≠ 5 , x ≠ –2 and x ≠ 5

(9m3 + 3m2 – m) + (m2 + 5m – 6) = A. 9m3 + 2m2 – 6m + 6 B. 9m3 + 2m2 + 4m – 6 C. 9m3 + 4m2 + 4m – 6 D. 9m3 + 4m2 – 6m + 6

Which graph best represents the equation 3x – 2y = 10? A B C D

21. Which number is a solution to 4x – 11 > 2x + 5 or 3x – 4 > 9x + 8? A. –2 B. –8 C. 2 D. 8

(x – c)(y – c) = A. xy + cx + cy – c2 B. xy – cx – cy + c2 C. xy – c2 D. xy + c2

The graph represents a function related to a runner’s movement over the course of a 100 meter race.

Which function could this graph represent? the speed of the runner as he decreases his rate of acceleration the distance of the runner from the starting line as he accelerates the distance of the runner from the starting line as he approaches at a constant speed the speed of the runner as he slows down when approaching the finish line

A B C D Which graph best represents the solution to the system of linear inequalities? y < –x y ≥ 3x A B C D

Which graph represents a relation that is not a function?

The length and width of a rectangular yard are represented in the figure shown. Which equation represents the area (A) of the yard in terms of x? 3x2 + 2x 3x3 + 2x2 9x2 + 12x + 4 D. 9x3 + 12x2 + 4x

Factor: x3 + 5x2 + 3x + 15 A. x(x2 + 5x + 18) B. x(x2 + 5x + 3) C. (x + 3)(x2 + 5) D. (x + 5)(x2 + 3)

Which statement represents the solution to this compound inequality? –3x – 7 ≤ 17 or 5x + 6 ≤ –49 A. x ≥ –11 or x ≤ –8 B. x ≤ –11 or x ≥ –8 C. –11 ≤ x ≤ –8 D. –8 ≤ x ≤ –11

Simplify the following expression for all values of x for which the expression is defined. 1 C. B. –1 D.

A. 300 feet C. 360 feet The height, h, in feet, of an object t seconds after being fired straight up from the top of a 200-foot tower at a velocity of 80 feet per second is represented by the function h(t) = –16t2 + 80t + 200. What is the height of the object 2.5 seconds after being fired from the top of the tower? A. 300 feet C. 360 feet B. 296 feet D. 100 feet

31. Solve x2 + 6x + 20 = –8x – 29. A. C. 7 B. D. –7

32. Observe the relation. Which is not an equivalent representation for this relation for the set of integers?

A. {(–3,–9), (–2,–4), (–1,–1), (0,0), (1, –1), (2, – 4), (3,–9)} B. y = – │ x │ D.

Which equation best represents the graph of the line? 6x – 2y = 0 –6x + 2y = 0 x + 3y = 6 D. x – 3y = 6

Which graph best represents the solution to the system of linear inequalities? 3x + 4y ≥ 12 x – y < 3 x ≥ 1 A B C D

35. The first 4 figures in a pattern are shown. Which function represents f(n), the number of dots in figure n? A. f(n) = n + 3 C. B. f(n) = n2 – 3 D.

Factor: 6x2 + 7x – 20 A. (2x – 5)(3x + 4) B. (2x + 5)(3x – 4 ) C. (6x + 5)(3x – 4) D. (6x – 5)(3x + 4)

(11m2 + 2m – 6) – (4m2 + m – 1) = A. 15m2 + 3m + 7 B. 15m2 + m – 7 C. 7m2 + 3m – 7 D. 7m2 + m – 5

(3x – 4y)(3x + 4y) A. 9x2 – 16y2 B. 9x2 + 24xy – 16y2 C. 6x2 – 8y2 D. 9x2 + 16y2

The Answers

Which is an equivalent form for all values of x, y, and z for which the expression is is defined? C. B. D.

Which expression is equivalent to n2 + 22n + 121? A. (n + 100)(n + 21) B. (n + 11)(n – 11) C. (n – 11)(n – 11) D. (n + 11)(n + 11)

3. Which ordered pair, (x, y), represents the solution for the system of equations? 5.5x + 1.5y = 34 x + y = 11 (7, 5) C. (6, 6) B. (4, 8) D. (3, 11 )

Factor x2 – 5x – 36. A. (x – 9)(x + 4) B. (x + 9)(x – 4) C. (x – 2)(x + 18) D. (x + 2)(x – 18)

Simplify the following expression for all values of x for which the expression is defined. x2 + 8x – 16 x2 – 8x + 16 x2 + 16 D. x2 – 16

Which equation best represents the line shown? A. y = 1.25x + 6 B. y = 1.25x – 5 C. y = 0.8x + 6 D. y = 0.8x – 5

7. What is the sum of w3 + 7w2 + 5 and D. 5w3 + 7w2 – 16

8. Which set represents the relation shown on the graph? {–3, –2, 1, 4, 6} {1, 2, 3, 4, 5} {(–3,5), (–2,3), (1,4), (4,1), (6,2)} {(5,–3), (3, –2), (4,1), (1,4), (2,6)}

Which function represents the linear pattern shown in the table? x f(x) 1 3 2 7 11 4 15 f(x) = x + 4 C. f(x) = 4x – 1 B. f(x) = x + 2 D. f(x) = 2x + 1

At the beginning of year 1, Laura deposits $500 in an account that pays 4% interest compounded annually. She makes no other deposits or withdrawals. The amount in the account at the beginning of each year is shown in the table. Which function represents A(n), the amount In Laura’s account at the beginning of year 4?

A(n) = 500(1.04)n+2 A(n) = 500(1.04)n+1 A(n) = 500(1.04)n Year, n Amount in account, A(n) 1 500 2 500(1.04) 3 500(1.04)2 4 500(1.04)3 A(n) = 500(1.04)n+2 A(n) = 500(1.04)n+1 A(n) = 500(1.04)n D. A(n) = 500(1.04)n-1

Simplify the following expression for all values of x for which the expression is defined. A. C. x2 + 15x B. D. 3x2 + 15x

Which equation best represents the graph of the line? A. B. C. D.

What is the value of the function f(x) = x2 – 7x + 3 when x = –5? A. –7 B. –57 C. 13 D. 63

14. Solve 8x – 7 < 25 < 2x + 9. < x < 17 17 < x < 8 < x < 4 D. 4 < x < 8

15. This graph represents a relation. Which set of ordered pairs is included in this relation? {(–2, –3), (–2, –1), (3, 4)} {(–4, 1), (–1, 2), (0, 1)} {(–3, –2), (–1, –2), (4, 3)} D. {(–3, –3), (–1, 0), (1, 2)}

Which values of x make the equation true? x2 + 3x – 10 = 0 A. –5 and 2 B. –2 and 5 C. –10 and 1 D. –1 and 10

Which compound inequality represents A. 15 ≤ 4 – 11n ≤ –15 B. 15 ≥ 4 – 11n ≤ –15 C. –15 ≤ 4 – 11n ≥ 15 D. –15 ≤ 4 – 11n ≤ 15

Simplify the expression below and state all restrictions on the domain. , x ≠ 8 and x ≠ –5 C. B. , x ≠ 2 and x ≠ –5 D. , x ≠ –8 and x ≠ 5 , x ≠ –2 and x ≠ 5

(9m3 + 3m2 – m) + (m2 + 5m – 6) = A. 9m3 + 2m2 – 6m + 6 B. 9m3 + 2m2 + 4m – 6 C. 9m3 + 4m2 + 4m – 6 D. 9m3 + 4m2 – 6m + 6

Which graph best represents the equation 3x – 2y = 10? A B C D

21. Which number is a solution to 4x – 11 > 2x + 5 or 3x – 4 > 9x + 8? A. –2 B. –8 C. 2 D. 8

(x – c)(y – c) = A. xy + cx + cy – c2 B. xy – cx – cy + c2 C. xy – c2 D. xy + c2

The graph represents a function related to a runner’s movement over the course of a 100 meter race.

Which function could this graph represent? the speed of the runner as he decreases his rate of acceleration the distance of the runner from the starting line as he accelerates the distance of the runner from the starting line as he approaches at a constant speed the speed of the runner as he slows down when approaching the finish line

A B C D Which graph best represents the solution to the system of linear inequalities? y < –x y ≥ 3x A B C D

Which graph represents a relation that is not a function?

The length and width of a rectangular yard are represented in the figure shown. Which equation represents the area (A) of the yard in terms of x? 3x2 + 2x 3x3 + 2x2 9x2 + 12x + 4 D. 9x3 + 12x2 + 4x

Factor: x3 + 5x2 + 3x + 15 A. x(x2 + 5x + 18) B. x(x2 + 5x + 3) C. (x + 3)(x2 + 5) D. (x + 5)(x2 + 3)

Which statement represents the solution to this compound inequality? –3x – 7 ≤ 17 or 5x + 6 ≤ –49 A. x ≥ –11 or x ≤ –8 B. x ≤ –11 or x ≥ –8 C. –11 ≤ x ≤ –8 D. –8 ≤ x ≤ –11

Simplify the following expression for all values of x for which the expression is defined. 1 C. B. –1 D.

A. 300 feet C. 360 feet The height, h, in feet, of an object t seconds after being fired straight up from the top of a 200-foot tower at a velocity of 80 feet per second is represented by the function h(t) = –16t2 + 80t + 200. What is the height of the object 2.5 seconds after being fired from the top of the tower? A. 300 feet C. 360 feet B. 296 feet D. 100 feet

31. Solve x2 + 6x + 20 = –8x – 29. A. C. 7 B. D. –7

32. Observe the relation. Which is not an equivalent representation for this relation for the set of integers?

A. {(–3,–9), (–2,–4), (–1,–1), (0,0), (1, –1), (2, – 4), (3,–9)} B. y = – │ x │ D.

Which equation best represents the graph of the line? 6x – 2y = 0 –6x + 2y = 0 x + 3y = 6 D. x – 3y = 6

Which graph best represents the solution to the system of linear inequalities? 3x + 4y ≥ 12 x – y < 3 x ≥ 1 A B C D

35. The first 4 figures in a pattern are shown. Which function represents f(n), the number of dots in figure n? A. f(n) = n + 3 C. B. f(n) = n2 – 3 D.

Factor: 6x2 + 7x – 20 A. (2x – 5)(3x + 4) B. (2x + 5)(3x – 4 ) C. (6x + 5)(3x – 4) D. (6x – 5)(3x + 4)

(11m2 + 2m – 6) – (4m2 + m – 1) = A. 15m2 + 3m + 7 B. 15m2 + m – 7 C. 7m2 + 3m – 7 D. 7m2 + m – 5

(3x – 4y)(3x + 4y) A. 9x2 – 16y2 B. 9x2 + 24xy – 16y2 C. 6x2 – 8y2 D. 9x2 + 16y2