Final Finals Review

Front

Is y a function of x?

Back

not a function

Front

y = -2x + 18; y = 8. What is the solution?

Back

(5, 8)

Front

In the equations 4x + 8y = 20 and -4x + 2y = -30, which variable will be eliminated?

Back

The x

Front

When do you flip an inequality symbol?

Back

multiple or divide by a negative number

Front

Solve the inequality: 10 ≥ x - 3. What is x?

Back

x ≤ 13

Front

What is a function?

Back

A relation where each input has exactly one output.

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 does it mean for two lines to be parallel?

Back

They have the same slope and will never intersect.

Front

What is the solution to the system of equations: 2x + 3y = 6 and x - y = 1?

Back

(3, 0)

Front

What is the definition of a variable?

Back

A symbol used to represent an unknown value.