Parallel, Perpendicular, and Word Probs

Slopes of parallel lines are...

• opposite reciprocals.
• opposites.
• identical.
• always 7.

Tags

CCSS.8.EE.B.5

Slopes of perpendicular lines are...

• opposite reciprocals.
• opposites.
• identical.
• always 7.

Tags

CCSS.8.EE.B.6

y = 3x +2
y = 3x - 3
These lines are...

• Parallel
• Perpendicular
• Neither
• The same line

Tags

CCSS.8.EE.C.8B

y = -2/3x + 2
y = 3/2x + 9
These lines are...

• Parallel
• Perpendicular
• Neither

Tags

CCSS.8.EE.B.6

Find the slope of a line parallel to the line below.
y = 2x + 4

• 2
• -1/2
• 1/2
• -2

Tags

CCSS.8.EE.B.5

Find the slope of a line perpendicular to the line below.
y = 2x + 4

• 2
• -1/2
• 1/2
• -2

Tags

CCSS.8.EE.B.6

The following represents slopes of two lines.  Which answer choice describes the two lines?
m = 7 and m = -7

• Parallel
• Perpendicular
• Neither

Tags

CCSS.8.EE.B.6

A fitness club opens with 80 members. Each month the membership increases by 15 members. Which equation represents the relationship between the number of months the club has been opened, x, and the total fitness club membership, y?

• y=15x
• y=15x+80
• y=x+15
• y=80x+15

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A camp charges families a fee of $625 per month for one child and a certain amount more per month for each additional child. Use the graph to write an equation in slope-intercept form to represent the amount a family with x additional children would pay.

• y = 625x + 225
• y = 225x 
• y = 225x + 625
• y =  625

Tags

CCSS.8.EE.B.5

A 100-point test has x questions worth 2-points each and y questions worth 4 points each.

Which equation describes all possible numbers of questions that may be on the test?

• 2x + 4y = 100

• 4x + 2y = 100

• 2x = 4y

• 6xy = 100