Tuesday 2/2

Presentation

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Mathematics

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8th Grade

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Medium

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CCSS

HSA.CED.A.2, 8.EE.B.5, 8.F.B.4

Standards-aligned

Katie Butler

Used 2+ times

FREE Resource

36 Slides • 22 Questions

Tuesday 2/2

Please complete your warm up for today

I can interpret a rate of change and initial value of a line.

M6 Lesson 2

Review from Yesterday

Modeling Functions with Equations, Graphs, or Tables

Multiple Choice

An internet company charges a flat fee of $25 and $0.01 per minute.

Write an equation to represent the situation with y being the total cost and x being the number of minutes.

y = 0.01x + 25

y = 25x + 0.01

Multiple Choice

Match the scenario to the equation:

y = 0.20x + 1.30

A company charges a flat rate of $0.20 and $1.30 per minute.

A company charges a usage charge per minute of $0.20 and a flat rate of $1.10

A company charges a usage charge per minute of $0.20 and a flat rate of $1.30

Matching Graphs to Equations

Review of the Review from Yesterday

Where do you see the y-intercept from the equation below on the graph?

y = 3x - 2

Where do you see the slope from the equation below on the graph?

y = 3x - 2

Poll

Just a few reminders about graphing in slope-intercept form. Make sure both the slope and the y-int match the equation!

Oh yeah!

I already knew that!

That is brand new information!

Okay

Multiple Choice

Which value is the slope in the equation: $y=4x+2$

Multiple Choice

Which value is the y-intercept in the equation: $y=2x-2$

-2

Multiple Choice

Write the equation of the line.

$y=-\frac{1}{3}x-2$

$y=\frac{1}{3}x-2$

$y=3x-2$

$y=-3x-2$

Multiple Choice

Write the equation of the line.

$y=-\frac{2}{3}x+4$

$y=\frac{2}{3}x+4$

$y=\frac{3}{2}x+4$

$y=-\frac{3}{2}x+4$

Multiple Choice

Which equation represents this graph?

$y=-\frac{2}{5}x-2$

$y=-4x-3$

$y=\frac{5}{2}x-3$

$y=-3x-4$

Multiple Choice

Which equation represents this graph?

$y=-\frac{7}{3}x+4$

$y=-4x+2$

$y=\frac{3}{7}x+4$

$y=-2x-4$

Multiple Choice

Which equation represents this graph? (hint: where is the y-int?)

$y=\frac{1}{5}x+3$

$y=-5x-3$

$y=5x+3$

$y=-3x+0.5$

Multiple Choice

Which equation represents this graph? (hint: which direction is the line facing?)

$y=\frac{3}{2}x+4$

$y=-\frac{3}{2}x+4$

Multiple Choice

Which line has a slope of 0?

Line A

Line B

Line C

Line D

Finding Slope from Slope Equation

$m\ =\ \frac{y_2-y_1}{x_2-x_1}$

Exercises 13-16

A band will be paid a flat fee for playing a concert. Additionally, the band will receive a fixed amount for every ticket sold. If 40 tickets are sold, the band will be paid $200. If 70 tickets are sold, the band will be paid $260.

Determine the rate of change.

Multiple Choice

Find the slope of the line that passes through
(10, 1) and (5, 2)

1/5

-1/5

-5

Multiple Choice

Find the slope of the line that passes through

(-2, 8) and (0, 8)

-2

1/2

Multiple Choice

Find the slope of the line that passes through

(-2, 8) and (0, 8)

-2

1/2

Open Ended

What does 0.25 mean?

Type response here

Open Ended

What does 3 mean?

Type response here

Quizizz Lesson Summary

Open Ended

What is one new thing you've learned from this lesson? What is one thing you still have questions on?

Type response here

Multiple Choice

Analyze the point (3, 27). What does the point represent?

The point (3,27) represents 27 shirts for $3.

The point (3,27) represents $27 for 3 shirts.

Multiple Choice

What is a possible scenario for the given table?

You have $8 and get $5 more each day!

You have $16 and get $2 more each day!

You have $2 and get $6 more each day!

You have $6 and get $2 more each day!

Multiple Choice

Which function has the GREATEST initial value?

Multiple Choice

Which function has the GREATEST rate of change?

Lesson 2 Pset #1

Lesson 3 Pset #1

Tuesday 2/2

Please complete your warm up for today

Show answer

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