Honors *8th Midterm Study Guide

Front

How is the decimal 0.75 expressed as a fraction?

Back

0.75 = 75/100 = 3/4

Front

What is the value of x in the equation 2x + 3 = 11?

Back

x = 4

Front

Which function best represents a linear relationship with a negative slope?

Back

y = -2x + 18

Front

If Sarah gets paid $10 for every 2 magazines sold, what is her unit rate?

Back

$5 per magazine

Front

Solve the system of equations: 2x + y = 4 and x - y = 1. What is (x, y)?

Back

(2, 0)

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity per 1 unit.

Front

How do you convert a fraction to a decimal?

Back

Divide the numerator by the denominator.

Front

What does it mean for two equations to be equivalent?

Back

Two equations are equivalent if they have the same solution set.

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

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

Back

Set x = 0 in the equation and solve for y.