Identify & Interpret Slope and Y-intercept

Front

What is the slope 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

What does the y-intercept represent in the equation y = mx + b?

Back

The y-intercept (b) is the value of y when x is 0.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

In the equation c = 50k + 79.50, what does c represent?

Back

c represents the output or dependent variable.

Tags

CCSS.6.EE.C.9

Front

In the equation y = 4x - 6, what is the y-intercept?

Back

The y-intercept is -6.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

In the equation y = 5x + 4, what is the slope?

Back

The slope is 5.

Tags

CCSS.8.EE.B.5

Front

What does a slope of $3.75 mean in a cost scenario?

Back

It means the cost of gas per gallon is $3.75.

Tags

CCSS.HSF.LE.B.5

Front

How do you find the y-intercept from a table of values?

Back

Look for the point where x = 0; the corresponding y value is the y-intercept.

Front

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

Back

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

Tags

CCSS.8.EE.B.5

Front

What does a positive slope indicate about a line?

Back

A positive slope indicates that as x increases, y also increases.

Tags

CCSS.8.EE.B.5

Front

What does a negative slope indicate about a line?

Back

A negative slope indicates that as x increases, y decreases.

Tags

CCSS.8.EE.B.5