Chapter 3 Test Prep

Front

Solve for x: 2x + 8 = 40

Back

x = 16

Front

What does the slope represent in a linear equation?

Back

The slope indicates the rate of change of the dependent variable with respect to the independent variable.

Front

Identify the equation from the graph: A line with a slope of 1 and y-intercept of 2.

Back

y = x + 2

Front

Evan's total cost at the fair is represented by which variable in the function C = 10 + 2x?

Back

C represents the total cost of going to the fair.

Front

Find the product: (x + 3)(x + 3)

Back

x^2 + 6x + 9

Front

What is the formula for the slope of a line?

Back

Slope (m) = (y2 - y1) / (x2 - x1) for two points (x1, y1) and (x2, y2).

Front

What does the y-intercept represent in a linear equation?

Back

The y-intercept is the value of y when x = 0.

Front

Solve for x: 3x - 9 = 0

Back

x = 3

Front

What is the standard form of a linear equation?

Back

Ax + By = C, where A, B, and C are integers.

Front

Expand the expression: (x - 4)(x + 4)

Back

x^2 - 16