TEKs REVIEW: 8.4C, 8.4B, 8.8C, 8.5A, 8.5D, 8.5G, 8.5I, 8.9A

Front

What is a proportional relationship?

Back

A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other quantity is constant.

Tags

CCSS.7.RP.A.2A

Front

What is the y-intercept of a line representing a proportional relationship?

Back

(0,0) - This means that when the value of x is 0, the value of y is also 0.

Tags

CCSS.8.EE.B.5

Front

Solve the equation for n: 3 + 4n + n = 2n + 15

Back

n = 4.

Front

What does a negative correlation in a graph indicate?

Back

A negative correlation indicates that as one variable increases, the other variable decreases.

Tags

CCSS.HSS.ID.B.5

Front

Estimate the amount of sales at 21 degrees if the estimated sales are 480.

Back

480 - This is the estimated sales figure at that temperature.

Tags

CCSS.HSF.IF.A.2

Front

What is the formula for finding the slope of a line?

Back

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

Tags

CCSS.8.EE.B.5

Front

What does it mean if a line has a positive slope?

Back

A positive slope means that as the x-value increases, the y-value also increases.

Tags

CCSS.8.EE.B.5

Front

What is the difference between independent and dependent variables?

Back

Independent variables are manipulated or changed, while dependent variables are measured or affected by the independent variable.

Tags

CCSS.HSS.ID.C.9

Front

What is the equation of a line in slope-intercept form?

Back

y = mx + b, where m is the slope and b is the y-intercept.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

What is the purpose of a scatter plot?

Back

A scatter plot is used to determine the relationship between two quantitative variables.

Tags

CCSS.8.SP.A.1