Algebra 1 2.8.2021

Presentation

•

Mathematics

•

9th Grade

•

Hard

•

CCSS

8.EE.C.8B, 8.EE.C.8C, 8.EE.B.6

+10

Standards-aligned

Sage Chorley

Used 3+ times

FREE Resource

14 Slides • 20 Questions

Algebra 1 2.8.2021

The End of Unit 4

Open Ended

How are you doing today?

Type response here

Open Ended

Share some good things with me!

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Multiple Choice

Parallel Lines never intersect because...

they have the same slopes.

they have the same y-intercept.

they have different slopes.

they have different y-intercepts.

Multiple Choice

How many solutions are there in the system of equations?

No Solution

Infinitely Many Solutions

One Solution

Two Solutions

Multiple Choice

Systems with the same slope and same y-intercepts have

No Solution

One Solution

Infinitely Many Solutions

Multiple Choice

y= 2x + 5

y= 5 + 2x

No Solution

One Solution

Infinitely Many Solutions

Multiple Choice

y= ¾ x + 5

y= 5 + ¾ x

No Solution

One Solution

Infinitely Many Solutions

Multiple Choice

What is the solution?

(1, -1)

(-1, 1)

(0, -2)

(2, 0)

Multiple Choice

Solve for x and y.
y = 2/3x - 2
y = -x + 3

(0,3)

(0,-3)

(3,0)

(-3,0)

Multiple Choice

Name the y intercept

-1

-1x

-7

Multiple Choice

Name the slope

-1x

-1

System Word Problem Practice

Multiple Choice

A farmhouse shelters 10 animals. Some are pigs and some are ducks. Altogether there are 36 legs. How many of each animal are there?

2 pigs and 8 ducks

10 pigs

8 pigs and 2 ducks

12 pigs and -3 ducks

Multiple Choice

In a pasture are horses and chickens if there are a total of 28 animals and 80 legs how many chickens and horses?

10 horses, 18 chickens

16 horses, 12 chickens

12 horses, 16 chickens

18 horses, 10 chickens

Multiple Choice

Homer sells tickets for admission to your school play and collects a total of $104. Admission prices are $6 for adults and $4 for children. He sold 21 tickets total.

To solve, I graphed:

x + y = 21

6x + 4y = 104

I got an intersection point at (10,11). What does that mean in context of the problem?

There are 10 adults and 11 children.

There are 11 adults and 10 children.

The adults are $10 and the children are $11.

There are 104 adults and 21 children.

Multiple Choice

The talent show committee sold a total of 530 tickets in advance. Student tickets cost $3 each and the adult tickets cost $4 each. If the total receipts were $1740, which system could be used to find how many of each type of ticket were sold?

S + A = 530
3S + 4A = 1740

S + A = 530
4S + 3A = 1740

S + A = 1740
3S + 4A = 530

S + A = 1740
4S + 3A = 530

Multiple Choice

Josh is thinking of two numbers. Their sum is -10 and their difference is -2. Which system of equations represents the situation?

x - y = -10
x + y = -2

x = -2
y = 5

x + y = -2
x - y = -10

x + y = -10
x - y = -2

Multiple Choice

Write an equation in point slope form of equation of line

point (7,10) and has a slope of -2?

y-10 = -2(x+7)

y-10 = -2(x-7)

y+10 = -2(x+10)

y -10 = -2x+2

Multiple Choice

Write equation of a line in point slope form that passes through (3,8) and has a slope of 5?

y-8=5(x-3)

y=5x+8

y-3=5(x-8)

y-y₁₌ m(x-x₁₎

Multiple Choice

Which ordered pair could represent a y-intercept on a graph?

(6, 0)

(0, 4)

(-1, 3)

(2, 0)

Multiple Choice

What does "m" represent in y=mx+b?

y-intercept

slope

macaroni

nothing

Algebra 1 2.8.2021

The End of Unit 4

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