Absolute Value Equations

Front

What's a way to define absolute value?

Back

The distance of a number from zero

Front

Why is absolute value always written as a positive?

Back

Absolute value is talking about distance, distance is always measured by positive numbers.

Front

Is x = 4 a solution to |x + 5| = -9

Back

False

Front

Solve for x: |5x| = 40

Back

x = 8 and x = -8

Front

4|m| = -20

Back

no solution

Front

Solve for x: |2x−1| = 9

Back

x = 5 and x = -4

Front

Solve for x: |4x−3| = 17

Back

x = 5 and x = -3.5

Front

Evaluate: | x + 9 | = -5

Back

no solution

Front

Solve for x
| 3x + 2 | = 5

Back

x = -2.333... and x = 1

Front

Solve |x – 12| - 3 = 11.

Back

x = -2 and x = 26