Test #4

Front

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

Back

a = -8, a = -2

Front

Find the volume of a globe with a radius of 11 inches. Round to the nearest whole number.

Back

5,575 in³

Front

Solve the equation: −2|−2r − 4| = −12

Back

{−5, 1}

Front

Use the quadratic formula to solve: 2x² + 2x - 12 = 0

Back

x = 2, x = -3

Front

Find the sum: (3y² + y³ - 5) + (4y² - 4y + 2y³ + 8)

Back

3y³ + 7y² - 4y + 3

Front

Definition: Absolute Value

Back

The distance of a number from zero on the number line, always non-negative.

Front

Definition: Quadratic Formula

Back

x = (-b ± √(b² - 4ac)) / (2a) for ax² + bx + c = 0.

Front

Definition: Volume of a Sphere

Back

V = (4/3)πr³, where r is the radius.

Front

Definition: Like Terms

Back

Terms that have the same variable raised to the same power.

Front

Definition: Solving Absolute Value Equations

Back

Set the expression inside the absolute value equal to both the positive and negative of the other side.