Linear Relationship Vocabulary
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
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14 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
a relationship that produces a straight line when graphed
rate of change
equivalent ratios
axis
slope
linear
Answer explanation
A linear relationship produces a straight line when graphed. The rate of change is how one quantity changes in relation another. If the rate of change is constant, a straight line will be produced when graphed, but the rate of change of some relationships are not constant, so will not produce a straight line. The slope is equal to the rate of change, so will only produce a straight line when it is constant. An axis is a number line in a coordinate system.
Tags
CCSS.8.EE.B.5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
quantities that have a constant ratio
rate of change
equivalent ratios
intercepts
proportional
slope
Answer explanation
Quantities are proportional if they have a constant ratio. The constant of proportionality is found by the ratio: y/x.
The rate of change is how one quantity changes in relation another. The slope is equal to the rate of change. x- and y-intercepts occur for straight lines as well as other relationships. Equivalent ratios are ratios that simplify to the same value.
Tags
CCSS.7.RP.A.2A
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
a linear relationship that intersects the origin
rate of change
equivalent ratios
intercepts
slope
proportional
Answer explanation
Quantities are proportional if they have a constant ratio. When we graph a proportional relationship produces a straight line that intersects the origin.
The rate of change is how one quantity changes in relation another, and that relationship may or may not be proportional. If the rate of change is constant, a straight line will be produced when graphed, but the line will only intersect the origin if the relationship is also proportional. The slope is equal to the rate of change. x- and y-intercepts occur for straight lines as well as other relationships.
Tags
CCSS.7.RP.A.2D
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
equal to the rate of change ( Δy/Δx )
linear
equivalent ratios
intercepts
slope
proportional
Answer explanation
The slope is equal to the rate of change ( Δy/Δx ).
If the slope is constant, the relationship will be linear. If the slope is constant and the graph intersects the origin, it is a proportional relationship. x- and y-intercepts occur for straight lines as well as other relationships.
Tags
CCSS.8.EE.B.5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Points where a graphed relationship crosses an axis.
linear
equivalent ratios
intercepts
slope
constant
Answer explanation
Intercepts are points where a graph crosses an axis.
Equivalent ratios are ratios that simplify to the same value.
The slope is equal to the rate of change ( Δy/Δx ).
Linear relationships produce a straight line when graphed.
Constant means "not changing".
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Where a line crosses the y-axis. The b value in y=mx+b.
slope
y-intercept
origin
equation
Tags
CCSS.8.EE.B.6
CCSS.8.F.A.3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The steepness of a line. The m value in y=mx+b.
slope
y-intercept
origin
equation
Tags
CCSS.8.EE.B.5
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