Big Idea Algebra Exam Review

Which ordered pair represents a solution for the equation

3x - 2 = y

• (3, 7)

• (1, 5)

• (3, 8)

• (0, 2)

• (4, 7)

• (1, 5)

• (6, 12)

• (2, 7)

Which ordered pair represents a solution for the equation y = x + 0.5

• (4, 5)

• (2, 2.5)

• (0, 0)

• (1, 2.5)

It costs $45 for a membership to a store. The monthly fee is $15. Which equation represents this situation if y = total cost and x = months?

• y = 60x

• y = 45x + 15

• y = 45 - 15x

• y = 45 + 15x

y = 2x + 4

• (4, 8)

• (2, 4)

• (3, 10)

• (1, 5)

How do you write 2 x 2 x 2 x 2 with an exponent?

• 4²

• 2⁴

• 2²

Find the equivalent expression.
15×15×15×15

• 15⁴

• 4¹⁵

• 15x4

• 15+15+15+15

5⁴=

• 20

• 625

• 1024

Find the equivalent expression.

9 x 9 x 9 x 9 x 9

• 9⁵

• 9¹⁵

• 9 x 5

• 9 + 9 + 9 + 9+ 9

The exponent equivalent of 20 x 20 x 20 is

• 20 x 3

• 20³

• 3²⁰