Chapter 3 - Part 1 Review

Front

What is the slope of a line 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 is the y-intercept in the equation y = mx + b?

Back

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

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

Find the slope of the line that passes through the points (1, 2) and (3, 4).

Back

The slope is 1.

Tags

CCSS.8.EE.B.5

Front

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

Back

The slope (m) is calculated as m = (y2 - y1) / (x2 - x1).

Tags

CCSS.8.EE.B.5

Front

For the function f(x) = 2x + 3, what is f(1)?

Back

f(1) = 5.

Tags

CCSS.HSF.IF.A.2

Front

What does it mean if a line has a slope of 0?

Back

It means the line is horizontal and does not rise or fall.

Tags

CCSS.8.EE.B.5

Front

What does it mean if a line has an undefined slope?

Back

It means the line is vertical and cannot be expressed as a ratio of rise over run.

Tags

CCSS.8.EE.B.5

Front

Find the y-intercept of the equation 3x + 2y = 6.

Back

The y-intercept is 3.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

What is the slope of the line that passes through the points (2, 3) and (2, 5)?

Back

The slope is undefined.

Tags

CCSS.8.EE.B.5

Front

For the function f(x) = -x + 4, what is the slope?

Back

The slope is -1.

Tags

CCSS.8.EE.B.5