Absolute Value Equations

Front

What is the definition of absolute value?

Back

The distance of a number from zero.

Front

Solve the equation |2x – 3| + 5 = 10.

Back

x = -1, 4

Front

Solve the equation |v + 8| − 5 = 2.

Back

v = -1, -15

Front

True or False: Is x = 4 a solution to |x + 5| = -9?

Back

False

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

What is the absolute value of -7?

Back

7

Front

What is the absolute value of 3?

Back

3

Front

Solve the equation |x - 2| = 5.

Back

x = 7, -3

Front

What does the equation |x| = a imply if a < 0?

Back

No solution.

Front

If |x + 4| = 0, what is the value of x?

Back

x = -4