Iab Expressions and Equations

Enter the value for x that makes the equation true:

1/3(6x - 9) + 2x = 5

• x = 2

• x = -2

• x = 0

• x = 1/2

• x = 4

Enter the value of y that makes the equation true:

3y + 6 + 4y -7 = -8

• y = -1

• y = -8

• y = 1

• y = 7

• y = 2

Enter the value of "n" for the equation:

5³ * 5ⁿ = 5⁷

• n = 4

• n = 3

• n = 1

• n = 2

• n = 7

Enter the value of "n" for the equation:

4^-2 * 4ⁿ =4⁵

• n = 4

• n = 7

• n = 6

• n = -3

• n = -4

The blue line has a slope of 40/1 and passes through the origin at (0,0). If you move right to 6 on the x-axis how far up would you move to reach the line?

• 240

• 320

• 450

• 500

Write the equation of the line in y = mx + b form.

• y = 1/3x + 3

• y = 3x + 3

• y = 1/4x + 3

• y = 1/2x + 3

Write the equation of the line in y = mx + b form.

• y = 1/2x - 3

• y = -3x - 3

• y = 1/4x - 3

• y = 1/2x + 3

Simplify 8¹² / 8¹⁰ =

• 8⁴

• 8²

• 8³

• 8¹

• 8⁰

Select all expressions equivalent to

(3^-3 * 3⁴ )^-3

• 1/27

• 3^-3

• 3² * 3^-5

• -1/27

• 3³

Write an equation for this situation.

• y=9.75x

• y=19x

• y=19.25x

• y=9.5x