IM Grade 8 Unit 3 Test Review

Front

What is the trend of high temperatures in Phoenix over the two-week period?

Back

The high temperature in Phoenix steadily increased as time passed.

Tags

CCSS.HSF-LE.A.1B

Front

How do you write the equation of a vertical line that passes through x=2?

Back

The equation is x=2.

Front

What is the slope-intercept form of the equation for a line with a slope of 2 and a y-intercept of 5?

Back

The equation is y=2x+5.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

How do you write the equation of a vertical line that passes through x=3?

Back

The equation is x=3.

Front

What is the slope-intercept form of the equation for a line with a slope of -1/2 and a y-intercept of -3?

Back

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

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

What does the slope of a line represent in a graph?

Back

The slope represents the rate of change of the y-value with respect to the x-value.

Tags

CCSS.8.EE.B.5

Front

What is the y-intercept of a line?

Back

The y-intercept is the point where the line crosses the y-axis.

Front

How can you determine if a line is increasing or decreasing based on its slope?

Back

If the slope is positive, the line is increasing; if the slope is negative, the line is decreasing.

Tags

CCSS.8.EE.B.5

Front

What is the general form of a linear equation?

Back

The general form of a linear equation is Ax + By = C, where A, B, and C are constants.

Front

How do you find the slope of a line given 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