Review for Unit 4 TRS exam Math 8th

Order the following from least to greatest.

Reorder the following from greatest to least.

• -3

Solve.

9x - 12 + 2x = 35x

Solve.

6x + 4(x-5) = 1 + 15x + 14

• -7

• 7

• 5

• -5

The objective when solving an equation is to....

• isolate the variable.
• check the solution.
• guess and check.
• Combine Like Terms.

What is the first step in the equation:

2x - 3 + 4x = 27 - 4x

• Combine Like Terms

• Add 3 on both sides

• Divide by 2 on both sides

• Subtract 4x from both sides

Solve for x:

-14 - 5x = 8x + 4 

Round to the tenths place.

What is the slope and the y intercept?

• m = 2

  b = 3

• m = -2

  b = 7

• m = 2

  b = 7

• m = 2

  b = -3

What is the slope?

• -4

• -17
• 1/4
• 4