SOL Review Algebra I

Which expression correctly represents the area of the rectangle below Which expression correctly represents the area of the rectangle below? (SOL A.2) 8x 6(x + 2) (x + 2)(x + 6) x2 + 2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

The sun is about 1. 5 x 108 kilometers from Earth The sun is about 1.5 x 108 kilometers from Earth. If light travels about 3 x 105 kilometers per second, about how many seconds does it take light from the sun to reach Earth? (SOL A.10) 5 50 500 5000 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

Which expression is equivalent to (3a + b)(2a - 4b)? (SOL A.11) 5a2 - 10ab + 5ab2 6a2 - 10ab - 4b2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

Which is the complete factorization of the trinomial x2 – x - 12 Which is the complete factorization of the trinomial x2 – x - 12? (SOL A.12) (x + 3)(x - 4) (x - 3)(x + 4) (x + 6)(x - 2) (x + 12)(x - 1) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

In kilometers, the approximate distance to the earth’s horizon from a point h meters above the surface can be determined by evaluating the expression √12h. About how far is the apparent horizon to a person looking out to sea from the top of a cliff 350 meters above sea level? (SOL A.13) 21 km 65 km 130 km 225 km 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

Which of the following tables represents a function? (SOL A.5) 1. A B C D 2. 3. 4. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

Which of the following sets of ordered pairs is a function? (SOL A.15) {(2, 1), (2, 2), (3, 4), (5, 6)} {(2, 1), (1, 2), (3, 4), (1, 5)} {(1, 2), (2, 2), (3, 3), (2, 4)} {(1, 1), (2, 1), (3, 2), (4, 4)} 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

Using the function machine in the diagram, what is the output when 12 is input? (SOL A.16) 7 8.5 19 29 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

In which graph is y a direct variation of x? (SOL A.19) 1. 2. 1 2 3 4 3. 4. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

Using the distance formula, d = rt, what is the value of t when d = 3,520 and r = 550? (SOL A.1) 6.4 2,970 4,070 1,936,000 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

Associative property of multiplication The statement “If 2(3a - 4) = 12, then 6a - 8 = 12” is justified by the — (SOL A.3) Associative property of multiplication Multiplication property of equals Addition property of equals Distributive property 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

Which equation is represented by this line? (SOL A.6) y = x – 2 y = x/2 + 2 y = x + 2 y = 2x + 2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

Which line on the graph has undefined slope? (SOL A.7) B C D 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

Which is an equation for the line that passes through (0, 2) and (2, 0)? (SOL A.8) y = -x y = x + 2 y = -x – 2 y = x - 2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

The length of a rectangle is 2 centimeters longer than its width The length of a rectangle is 2 centimeters longer than its width. The perimeter is 16 centimeters. What are the length and width of the rectangle? (SOL A.9) 7 cm, 5 cm 6 cm, 4 cm 5 cm, 3 cm 4 cm, 2 cm 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

x2 – x – 6 = 0 Which is the solution set for the equation above? (SOL A.14) {-3, 2} {-2, 3} {-6, 5} {-5, 6} 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

0.5[A] = ? (SOL A.4) 1. 2. A B C D 3. 4. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

Which equation best represents the data shown on the scatterplot Which equation best represents the data shown on the scatterplot? (SOL A.17) y = x/2 – 1 y = ½x – 3 y = x - 3 y = 2x - 5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

This is a stem-and-leaf plot of a group of test scores This is a stem-and-leaf plot of a group of test scores. What is the median score? (SOL A.18) 73 76 77 77.5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32