Absolute Value Equations + Review

Front

Solve |2x – 3| + 5 = 10.

Back

x = -1, 4

Front

Solve for x: |2x - 1| = 9

Back

x = 5 and x = -4

Front

What is the reason that absolute value is always written as a positive?

Back

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

Front

Solve: −2|−2r − 4| = -12

Back

r = -5, 1

Front

Solve for x: |5x| = 40

Back

x = 8 and x = -8

Front

Define absolute value.

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction.

Front

What is the absolute value of -7?

Back

7

Front

If |x| = a, what are the possible values of x?

Back

x = a or x = -a.

Front

Solve for x: |x + 3| = 5

Back

x = 2 and x = -8

Front

What does it mean if an absolute value equation has no solution?

Back

It means there are no values of x that satisfy the equation.