HW#4 (Per3)_Unit 3 Review: Solve Equations (only positive roots)

Front

Solve: 5x² + 4x² = 189. Round to the nearest whole number.

Back

5

Front

Solve: 8x + x = 21.

Back

2.33

Front

Solve: -2x² + 10x² = 88. Round to the nearest whole number.

Back

3

Front

Solve: -5x + 4x = -33.

Back

33

Front

Solve: 3x² - 2x² = 225.

Back

15

Front

What is a quadratic equation?

Back

An equation of the form ax² + bx + c = 0, where a, b, and c are constants.

Front

What is the positive root of an equation?

Back

The positive root is the solution to the equation that is greater than zero.

Front

How do you combine like terms in an equation?

Back

Add or subtract coefficients of the same variable to simplify the equation.

Front

What is the process to isolate a variable in an equation?

Back

Use inverse operations to get the variable on one side of the equation.

Front

What does it mean to round to the nearest whole number?

Back

Adjusting a number to the closest integer value.