Mid-Unit 3 IM Grade 8

Front

What is the equation of a line with a slope of 1/2 and a y-intercept of -2?

Back

y = 1/2x - 2

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

How do you graph the equation x = 2?

Back

A vertical line that crosses the x-axis at 2.

Front

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

Back

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

Tags

CCSS.8.EE.B.5

Front

What is the slope of the line represented by the equation y = 4/5x + 1?

Back

4/5

Tags

CCSS.8.EE.B.5

Front

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

Back

The point where the line crosses the y-axis.

Front

What is the equation of a line with a slope of -1 and a y-intercept of 2?

Back

y = -x + 2

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

If a hamburger has 325 calories and each potato chip has 12 calories, how can you represent the total calories consumed with a linear equation?

Back

y = 12x + 325, where x is the number of chips.

Tags

CCSS.6.EE.C.9

Front

What does the term 'linear equation' mean?

Back

An equation that makes a straight line when graphed.

Front

How do you find the y-intercept of the equation y = 2x + 3?

Back

Set x = 0; y-intercept is 3.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

What is the graphical representation of the equation y = 2x - 2?

Back

A straight line with a slope of 2 and a y-intercept of -2.