Module 6 (gm5) Review

Front

In the equation y=mx+b, what does b represent?

Back

b represents the y-intercept of the line.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

What is the linear equation for the line shown?

Back

The linear equation is y = -1/2x - 3.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Front

A party planner charges $100 to set up and $75 an hour. Use the equation y = 75x + 100 to determine how much a 5 hour party would cost.

Back

The cost for a 5 hour party would be $475.

Tags

CCSS.HSF.LE.B.5

Front

The equation y=5x+12 represents the total cost, y, of buying x number of custom shirts. How much will it cost to make 15 shirts?

Back

It will cost $87 to make 15 shirts.

Tags

CCSS.HSF.LE.B.5

Front

What is the linear equation of the line shown?

Back

The linear equation is y = -3x + 4.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Front

What does the slope (m) represent in the equation y=mx+b?

Back

The slope (m) represents the rate of change of y with respect to x.

Tags

CCSS.8.EE.B.5

Front

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

Back

To find the y-intercept, set x=0 in the equation and solve for y.

Front

What is the formula to calculate the cost of an event based on hourly charges?

Back

The formula is y = hourly_rate * hours + setup_fee.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Front

If a line has a slope of -2, what does this indicate about the line's direction?

Back

A slope of -2 indicates that the line descends from left to right.

Tags

CCSS.8.EE.B.5

Front

What is the significance of the x-intercept in a linear equation?

Back

The x-intercept is the point where the line crosses the x-axis (y=0).