Solving absolute value equations

Front

Solve the equation: |−4 + 5x| = 16

Back

x = {-12/5, 4}

Front

∣ 2x + 9 ∣ = 15

Back

x = 3
x = -12

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

Order the numbers from least to greatest: -2, I8I, 5, I-10I, 6

Back

-2, 5, 6, 8, 10

Front

Solve the equation: |−4 + 5x| = 16

Back

{−12/5, 4}

Front

Solve the following equation: ∣ 2x + 9 ∣ = 15

Back

x = 3, x = −12

Front

Solve the equation: |2a + 10| = 6

Back

a = −8, a = −2

Front

Solve the equation: |2a − 10| = 6

Back

a = 8, a = 2

Front

Solve the equation: |6 − 2k| = 18

Back

k = −6, k = 12

Front

What's a way to define absolute value?

Back

The distance of a number from zero