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Finding the Equation of a Line in Slope-Intercept Form

Finding the Equation of a Line in Slope-Intercept Form

Assessment

Interactive Video

•

Mathematics

•

6th - 10th Grade

•

Practice Problem

•

Hard

•
CCSS
8.EE.B.6, 8.EE.B.5, 8.F.A.3

Standards-aligned

Created by

Aiden Montgomery

FREE Resource

Standards-aligned

CCSS.8.EE.B.6
,
CCSS.8.EE.B.5
,
CCSS.8.F.A.3
Mrs. A explains how to write equations in slope-intercept form, which is y = mx + b. She describes the components of the equation, where 'm' is the slope and 'b' is the y-intercept. The video covers identifying the y-intercept on a graph and calculating the slope using two methods: rise over run and the formula (y2-y1)/(x2-x1). Mrs. A demonstrates using coordinates to find the slope and combines it with the y-intercept to form the equation of a line.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the general form of the slope-intercept equation?

y = mx + b

y = m + bx

y = ax^2 + bx + c

y = mx - b

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the equation y = mx + b, what does 'm' represent?

The y-intercept

The slope

The x-intercept

The dependent variable

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where does the y-intercept of a line appear on a graph?

At the highest point of the line

Where the line crosses the x-axis

Where the line crosses the y-axis

At the origin

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a line crosses the y-axis at y = 3, what is the y-intercept?

3

-3

0

1

Tags

CCSS.8.EE.B.5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which formula is used to calculate the slope using two points?

y2 - y1 / x2 - x1

x2 - x1 / y2 - y1

rise / run

run / rise

Tags

CCSS.8.EE.B.5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is another common method to calculate the slope besides using coordinates?

Rise over run

Run over rise

Sum of x and y coordinates

Difference of x and y coordinates

Tags

CCSS.8.EE.B.5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Given points (0, 3) and (2, -1), what is the slope of the line?

-1

2

-2

1

Tags

CCSS.8.EE.B.5

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