Unit 4: 4-7 REVIEW

Front

Solve the equation: -7x - 11 = 3

Back

x = -2

Front

What is the solution of the system of equations? (1, -1), (-1, 1), (0, -2), (0, 1)

Back

(1, -1)

Front

Back

x = 30

Front

How many solutions does the equation 2x + 5 = 2x + 5 have?

Back

Infinitely many solutions

Front

How many solutions does the system of equations have? y = 5 + 9x, y = 9x + 5

Back

Infinitely many solutions

Front

What is a linear equation?

Back

An equation that makes a straight line when graphed.

Front

Define a solution to an equation.

Back

A value that makes the equation true when substituted for the variable.

Front

What does it mean if an equation has no solutions?

Back

There are no values that satisfy the equation.

Front

What is the slope-intercept form of a linear equation?

Back

y = mx + b, where m is the slope and b is the y-intercept.

Front

What is the y-intercept of the equation y = 3x + 4?

Back

The y-intercept is 4.