CHAPTER 5A Review

Ex.

Plot the ordered pair for point A (2, -4).

Ex.

Which quadrant is point A in? QIV

A

Ex.

3, 5 ; 2 9y x

2 9y x 2 9 5 3

5 6 9 5 3No

Determine whether the ordered pair is a solution to the equation.

x y Ex.

7, 4 ; 3 5 1x y

3 5 1x y 3 5 1 7 4

21 20 1 41 1

No

x y

Ex.

2, 5 ; 4 7y x

4 7y x 4 7 5 2

5 8 7 5 15 No

Determine whether the ordered pair is a solution to the inequality.

x y Ex.

3, 4 ; 7 3 9x y

7 3 9x y 7 3 9 3 4

21 12 9 9 9Yes

x y

Graph the equation. Ex.

2y

22222

Line goes through the y-axis.

x-int

y-int

Ex.int 3, int 5x y

3 6 18x y Ex.

3 6 18x y int 0y x

3 6 18y 00 6 18y

6 18y

0, 3

int 0x y Now just plot the points.

x-int

y-int

6 6 3y

3 6 18x y 3 6 18x 0

3 0 18x 3 18x

6, 0

3 36x

Graph by intercepts.

Find the slope of each line.

run

risem

4

4

3

34

3m

run

risem

1

1

3

31

3m

Find the slope.

4, 6 and 7, 8

Ex.Label your

points.

1x 1y 2x 2y What is the slope formula?

2 1

2 1

y ym

x x

8 6

7 4

2

3 2

3m

1, 4 and 6, 2

Ex.Label your

points.

1x 1y 2x 2y What is the slope formula?

2 1

2 1

y ym

x x

2 4

6 1

6

5

6

5m

Find the slope.

3, 6 and 1, 6

Ex.Label your

points.

1x 1y 2x 2y What is the slope formula?

2 1

2 1

y ym

x x

6 6

1 3

0

4

0m

1, 5 and 13, 2

Ex.1x 1y 2x 2y

2 1

2 1

y ym

x x

2 5

13 12 5

13 1

3

12

1

4m

Label your points.

What is the slope formula?

31

2y x

Ex.

3

2m

1b

Graph.

2) Find m and b.

3) Plot the y-intercept.

4) Plot more points by using the slope.

5) Make a line by connecting the dots.

1) Put in slope-intercept form.

b = beginning

m = move3

2

risem

run

2 3y x Ex.

2m3b

Graph.

2) Find m and b.

3) Plot the y-intercept.

4) Plot more points by using the slope.

5) Make a line by connecting the dots.

1) Put in slope-intercept form.

b = beginning

m = move

2

1

risem

run

2

1

4 3x y Ex.

4m 3b

Graph.

2) Find m and b.

3) Plot the y-intercept.

4) Plot more points by using the slope.

5) Make a line by connecting the dots.

1) Put in slope-intercept form.

b = beginning

m = move

4

1

risem

run

4 4x x 4 3y x

3 2 8x y Ex.

3

2m 4b

Graph.

2) Find m and b.

3) Plot the y-intercept.

4) Plot more points by using the slope.

5) Make a line by connecting the dots.

1) Put in slope-intercept form.

b = beginning

m = move

3

2

risem

run

3

2

3 3x x

2 3 8y x 2 2 2

34

2y x

21

3y x

Ex.

2

3m

1b

Graph.

2) Graph. Find m and b first.

3) Solid or Dashed?

4) Shade above or below the y-intercept.

1) Put in slope-intercept form.

b = beginning

m = move

Solid

Below

2

3

4 3 15x y Ex.

4

3m

5b

Graph.

2) Graph. Find m and b first.

3) Solid or Dashed?

1) Put in slope-intercept form.

b = beginningm = move

Dashed

Below

4

3

4 4x x

3 4 15y x 3 3 3

45

3y x

FINAL JEOPARDY QUESTION

Talk to your team and decide how many points you would like to risk.

Write how many points you want to risk on the top right of your paper.

Johnny opens up a bank account. He puts $124 in to start with. Every month he puts $32 more. After awhile he had a total of $540. How many months did it take?

y mx b

13 months

m

b32

124

32 124y x 540 32 124x 124 124

416 32x32 3213 x