Bell Work 1/22/15What type of correlation is it?

1. 2. 3.

4. Amount of money spent and the money saved.

5. A person’s height and the money they make.

6. Amount of food eaten and a person’s weight.

Yesterday’s Homework

1. Any questions?2. Please pass your homework to the front.

• Make sure the correct heading is on your paper.• Is your NAME on your paper?

• Make sure the homework is 100% complete.• Incomplete work will NOT be accepted.

Standard Form

04/21/23

Heading

TSWBAT: write a linear equation into Standard Form.

Students verify that a point lies on a line, given an equation of the line. Students are able to derive linear equations by using the point-slope formula.

4.6

NotesWrite in slope intercept form.

You have already learned this.

Get y by itself!

2 2 2

3 2 8x y 3 3x x

2 3 8y x

y 3

2x 43

42

y x

Ex.

Now we are going to go the other way around.

Notes• Standard Form

A B Cx y • A, B, and C are all integers.

• No fractions or decimals.

• A is positive.

• x and y are both on the left, with x coming first.

• The constant term is alone on the right.

NotesDetermine if the equation is in Standard Form.

3 5y x Ex.

No

4 2 10x y Ex.

Yes

5 2 9x y Ex.

No

7 9 11x y Ex.

Yes

13 8

2x y

Ex.

No

3 4 6y x Ex.

No

Now you try.

NotesRewrite the equation into Standard Form.

4 5y x Ex.

Is it in Standard Form?4 4x x

4 5x y 4 5x y Is it in Standard Form?

6 9y x Ex.

6 6x x

6 9x y 6 9x y

2 7y x Ex.

Is it in Standard Form?2 2x x

2 7x y Is it in Standard Form?

2x y 72 7x y Is it in Standard Form?

9 2y x Ex.

9 9x x

9 2x y 9x y 29 2x y

1 1 1 1 1 1

Now you try.

Now you try.

NotesRewrite the equation into Standard Form.

13

2y x

Ex.

Is it in Standard Form?

1 1

2 2x x

13

2x y Is it in Standard Form?

2

x 2y 62 6x y Is it in Standard Form?

25

3y x

Ex.

2 2

3 3x x

25

3x y

2x 3y 152 3 15x y

2 2 3 3 3

Now you try.

NotesRewrite the equation into Standard Form.

12

4y x

Ex.

Is it in Standard Form?

1 1

4 4x x

12

4x y Is it in Standard Form?

x 4y 84 8x y Is it in Standard Form?

54

3y x

Ex.

5 5

3 3x x

54

3x y

5x 3y 125 3 12x y

4 4 4 3 3 3

Now you try.

Summary

To put an equation into Standard ______ first put all of the variables on the ____ side, with the x variable leading. Next make sure that the coefficients are integers with A being ________ by multiplying the entire equation by the proper number.

Formleft

positive

Today’s Homework

1. Pencil ONLY.2. Must show all of your work.

• NO WORK = NO CREDIT3. Must attempt EVERY problem.4. Always check your answers.

Rules for Homework

Homework 4.6

1. 4 1y x 2. 7 3y x

3. 5 4y x 4. 6 2y x

15. 7

3y x

56. 4

2y x

17. 6

2y x

48. 3

5y x

Rewrite the equation into Standard Form.

Complete the Ticket Out the Door without talking!!!!!

Talking = time after the bell!

Ticket Out the Door

Put your NAME on the paper.

When finished, turn your paper face DOWN.

15

4y x

Rewrite the equation into Standard Form.