Transcript
Page 1: Tuesday, September 10 th Please complete the warm up

Tuesday, September 10th

Please complete the warm up

1. Solve:

2. Is (3,4) a solution to the following system:

3x-4y=12 and -4x=y+2

8

7

3

2

4

1x

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Do you know your Vocab?

System of Linear

Equations

Solution of a system of

linear equations

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Slope Intercept Form

Y = mx + b

Slope Y-INTERCEPT

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GraphingY=mx + b m

Rise

Over

_____________

bThe _________intercept

It’s where you _____ your graph

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REVIEW ON RISE AND RUN

DESCRIBE how you would graph given the following slope

Slope = -3Down 3Right 1Or Up 3 Left 1

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Graphing

y intercept = 4

Step 1. The y-intercept is 4, so the line contains (0, 4). Plot (0, 4).

Step 3 Draw the line through the two points

••

Run = 5

Rise = –2

Step 2 Slope =

Count 2 units down and 5 units

right from (0, 4) and plot another

point.

y

Just Watch

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Y = -3x = 4

What is the slope?

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3 – 5x = y

What is the y-intercept?

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What is the Slope?

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What is the Equation that represents this line?

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Word Problems

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Types of Word Problems

Savings Account and how much you put in it each month

Cell phone starting cost and rate you pay each month

Gym membership and a rate you pay each year

Pages you read and how many pages you read each night

Down payment and your monthly payments

m=rate b=starting fee Y=mx+b

How man drawings did each person make

How many shirts and socks you can buy

How many tickets you can buy

How many books you can read

ALWAYS DEFINE YOUR VARIABLES FIRST

X and y will be in your question!

Slope InterceptEquation: Y=mx + b

StandardEquation: Ax+By=C

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Slope Intercept Word Problem

Sam and Joe are collecting baseball cards. Sam already had 5 baseball cards and is given 4 new cards each year. Joe only started with 3 baseball cards but is given 6 new cards each month. After how many months will Same and Joe have the same amount? How many cards will they have at that time?

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Standard Form Word Problem

Jenna has $100 to spend on 3 new items of clothing. Jeans cost $50 and shirts cost $25. How many jeans can she buy? How many shirts can she buy?

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You decide….

You are selling tickets for a high school play. Student tickets cost $4 and general admission tickets cost $6. You sell 525 tickets and collect $2876. How many of each type of ticket did you sell?

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Slope – intercept or

Standard

Jessie has $100 to spend at Best Buy. She can only buy 9 items. CD’s Cost $12 and DVD’s cost $20. How many of each can she buy?

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Slope – intercept or

Standard

Lexi and Ryan are reading the same book. Lexi is on page 20 and reads 10 pages each night. Ryan is only on page 8 but plans to read 18 pages each night. When will they be on the same page?

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Classwork1.Fill out Ticket to

Go! 2.Work on Homework


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