Math 8 Acc Chapter 1-7 Review (1)

Front

Simplify the expression: (2x + 7) - 3(5x - 4)

Back

-13x + 19

Front

Determine if the following relation is a function: { (2, 3), (2, 4), (3, 5) }

Back

No, because 2 has two outputs.

Front

What inequality does the number line graph represent if it includes -5 and all numbers to the right?

Back

x ≥ -5

Front

Solve for x: 4(x + 3) – 6(x + 3) = 2x + 10

Back

x = -4

Front

Find the y-intercept of the equation 2x - 5y = 35.

Back

(0, -7)

Front

What is a function?

Back

A relation where each input has exactly one output.

Front

How do you find the y-intercept of a linear equation?

Back

Set x = 0 and solve for y.

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 a number to be a solution to an equation?

Back

It means that when substituted into the equation, it makes the equation true.

Front

What is the distributive property?

Back

a(b + c) = ab + ac.