Regents review

Evaluate f(x)= -2x + 13 for f(10)

• -7

• 1

• -8

• 7

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)
• (3,4) (4,-3) (7,4) (3, 8)
• (6,-5) (7, -3) (8, -1) (9, 1)
• (2, -2) (5, 9) (5, -7) (1, 4)

What are the factors for the quadratic equation x² + 6x - 16

• (x - 2)(x - 8)

• (x - 2)(x + 8)

• (x + 2)(x - 8)

• (x + 2)(x + 8)

Find the solution to the following inequality:

6(x - 5) < 7x - 4

• x ≥ 26

• x > -26

• x < -26

• -x > 26

Which property was used to get to the second line?

• Associative property

• Commutative property

• Distributive property

• Zero property

Solve for x:

6(1+3x) = -18 - 6x

• x=1

• x= -1

• No solution

• Infinite solutions

What is one point that lies in the solution set of the system of inequalities graphed?

• (0, 4)
• (-4, 1)
• (2, 4)
• (4, -1)

Which function represents exponential decay?

• f(x) = 100(0.9)^x 
• f(x) = 10(1.09)^x 
• f(x) = 1.9^x
• f(x) = ½(9)^x

• (1)

• (2)

• (3)

• (4)

• (1)

• (2)

• (3)

• (4)