Unit 4 Review

Front

Solve for y: 8x + 4y = 16

Back

y = -2x + 4

Front

You and your friends plan to attend the State fair this weekend. Admission to the fair is $5 and the cost per ride is $0.50. How many rides can you go on if you have $20?

Back

30 rides

Front

What is the equation of the line? y = -4/5x + 3

Back

y = -4/5x + 3

Front

Which is the graph of y = -x + 2?

Back

Graph A

Front

Mr. Z is starting his own car club, there is a $30 join up fee and a $5 monthly fee. What is the equation?

Back

y = 5x + 30

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

Define slope in the context of a linear equation.

Back

Slope is the measure of the steepness of a line, calculated as the rise over run.

Front

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

Back

The y-intercept is the point where the line crosses the y-axis.

Front

How do you find the y-intercept from the equation y = mx + b?

Back

The y-intercept is the value of b in the equation.

Front

What is the formula to calculate the slope between two points (x1, y1) and (x2, y2)?

Back

Slope (m) = (y2 - y1) / (x2 - x1).