
Understanding Linear Equations

Interactive Video
•
Mathematics
•
7th - 10th Grade
•
Hard
Standards-aligned

Lucas Foster
FREE Resource
Standards-aligned
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in finding the equation of a line through two points?
Use the quadratic formula
Determine the midpoint
Find the gradient
Calculate the y-intercept
Tags
CCSS.8.EE.B.5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the gradient of a line passing through two points?
Add the x-coordinates and y-coordinates
Subtract the x-coordinates and divide by the y-coordinates
Multiply the x-coordinates and y-coordinates
Subtract the y-coordinates and divide by the x-coordinates
Tags
CCSS.8.F.A.3
CCSS.8.EE.B.6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula used to represent a straight line?
y = mx + c
y = ax^2 + bx + c
y = x^2 + 2x + 1
y = a/x + b
Tags
CCSS.8.F.A.3
CCSS.8.EE.B.6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the gradient of a line is -3, what is the equation format before finding the y-intercept?
y = x - 3
y = 3x + c
y = -3x + c
y = -x + 3
Tags
CCSS.8.F.A.3
CCSS.8.EE.B.6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you find the y-intercept once you have the gradient?
Substitute a point into the equation
Divide the gradient by the x-coordinate
Use the midpoint formula
Multiply the gradient by the y-coordinate
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final equation of the line passing through the points (2,10) and (5,1)?
y = 3x + 16
y = -3x + 16
y = -3x - 16
y = 3x - 16
Tags
CCSS.8.F.A.3
CCSS.8.EE.B.6
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of the y-intercept in the equation of a line?
It is the midpoint of the line
It is the average of the x-coordinates
It is the point where the line crosses the y-axis
It represents the slope of the line
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a step in finding the equation of a line through two points?
Calculate the gradient
Find the y-intercept
Determine the midpoint
Use the y = mx + c format
Tags
CCSS.8.EE.B.6
CCSS.8.F.A.3
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using the y = mx + c format?
To find the midpoint of a line
To represent the equation of a straight line
To calculate the area under the curve
To determine the x-intercept
Tags
CCSS.8.F.A.3
CCSS.8.EE.B.6
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