Solve for x. A.7B

#2 Solve for x. A.7B

#3 Simplify. A.7B

#4 Simplify. Answer using only positive exponents. A.7B

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#5 Which set best represents the domain of the given function? A {y|-9 ≤ y ≤30} B {x|-3 ≤ x ≤10} C {-3, 5, 8, 10} D {-9, 15, 24, 30} x y -3 -9 5 15 8 24 10 30 A.7B

#6 Which set of ordered pairs represents a function? G {( 2, 2 ), ( 2, 6 ), ( 2, 8 ), ( 2, 5 ) } H {( 1.5, 7 ), ( -3, 12 ), ( 0, -5 ), (6, 12)} J { ( 3, 3 ), ( 10, 2 ), ( 3, 2 ), ( 7, 8 ) }

#7 The cost to rent a car is $75 plus $0.50 per mile driven. The total charge is given by the equation c = 75 + 0.50m, where c represents the cost and m represents the number of miles driven. If Mr. Hood rented a car and drove it no more that 600 miles, which best represents the range? A {0, 1, 2, …, 600} C {75, 125, …, 375} B {75 ≤ y ≤ 375} D {0 ≤ y ≤ 600}

#8 Which is an equivalent expression.

#9 Which is an equivalent expression.

#10 Which of the following is equivalent to…

#11 Which of the following is equivalent to…

Roots other than square roots… This is called the cube root.

Roots other than square roots… 2

Roots other than square roots… 5

Roots other than square roots… This is called the fourth root.

Roots other than square roots… 3 This is called the fifth root.

Roots other than square roots… 7 This is called the sixth root.

#13 Solve for x.

#14 Solve for x.

#15 Solve for x.

#16 Osvaldo sells custom skateboards for $200 each. He sells up to 20 skateboards per week. His weekly earnings are a function of the number of skateboards sold. What is the range of this function? A {0 ≤ y ≤ 20} C {0, 1, 2, 3, …, 20} B {0, 200, 400, …, 4000} D {0 ≤ y ≤ 4000} a.7B 22

A special case When both sides of an equation are the same it is called an identity. When you see this you can answer identity or infinitely many solutions. Let’s test some answers!

#18 Solve for x.

#19 Solve for x.

#20 Osvaldo sells window decals for $2 each. He sells up to 300 decals per week. His weekly earnings are a function of the number of decals sold. What is the domain of this function? A {0 ≤ x ≤ 300} C {0, 1, 2, 3, …, 300} B {0, 2, 4, …, 600} D {0 ≤ x ≤ 600} a.7B 26

21. Which graph represents a function? B

22. Which graph represents a function?

STAAR 23 Solve: A.7B

24. Which graph correctly represents the range {y | -1 ≤ y ≤ 5}? B

25. Which graph correctly represents the range {y | -4 ≤ y ≤ 3}? F H G

#26 Simplify. Answer using only positive exponents.

#27 Simplify. Answer using only positive exponents. A.7B

#28 Simplify.

#29 Solve for x. A.7B

Quiz Time

#33 Simply. Answer in simplest radical form if appropriate.

#35 Solve for x.

#37 Which set of ordered pairs represents a function? B {( 2, 3 ), ( 6, 7 ), ( 8, 9 ), (5, 6 ) } C {( -7, 1.5 ), ( -7, 4 ), ( -4, 0 ), (11, 7)} D { ( 3, 5 ), ( 2, 10 ), ( 2, 3 ), ( 7, 8 ) }

#39 Solve for x. A.7B

#40 Simplify. Answer using only positive exponents. A.7B

#41 Solve for x. A.7B

#42 Solve for w. A.4A

Which table below represents a function? #44 Which table below represents a function? F G H x y -3 -1 5 7 8 10 x y -1 -2 2 6 10 14 x y -2 -3 -1 3 2 5 4 A.7B

#45 Simplify. Answer using only positive exponents. A.7B

#46 Solve for x.

#47 Simplify. Answer using only positive exponents. A.7B

#48 Solve for x. A.7B

#49 Solve for x. A.7C

#50 Simplify. Answer using only positive exponents. A.7B

#51 Solve for v.

#52 Solve for x A.4A