Ch 5 Review

Solve by Graphing

100

How do you solve by graphing?

What is x > 4

200

Solve by using graphing

y = 2x - 3

y = -12x + 2

What is v ≤ -5

300

Solve by using graphing

2x + y = 1 

x + 2y = -4

What is b ≤ -4

400

Solve by using graphing

x - y = 2 

x - y = -1

What is r < 0

500

Create an example of two equations that have no solution.

What is m < -2

Substitution

100

What is the process of using substitution?

What is a > -8 and a < 2

200

Solve by using substitution

-2x + y = 5  

4x + y = -4

What is k > 5 and k < 15

300

Solve by using substitution

5x + 4y = 17 

3x + 3y = 9

What is n ≥ -8 and n ≤ 8

400

Solve by using substitution.

6x - 2y = 3 

-3x + y = 4

What is m ≤ -9 and m ≥ 9

500

Monica built a porch that contained 2 different colors of bricks to create a nice pattern. She purchased the red bricks at $2 each and the gray bricks for $3 each. How many red bricks did Monica purchase if she spent $160 on 60 bricks?

What is x ≥ -8 and x ≤ 26

Elimination

100

What is the process for using elimination?

17+x=93

x=76

200

Solve the systems of equations using elimination

-3x + y = - 4  

x + y = 7

34+x=76

300

Solve the systems of equations using elimination.

3x - 9y = 18 

x - 3y = 6

x/2+8=13

x=10

400

Use the elimination method to solve the systems of equations.

-10x + 3y = -7

5x + 4y = 9

2+4x=10

x=2

500

Ticket prices at a local movie theater are $10 for adults and $7 for children. At one performance of a children’s new movie, 335 people attend. If the total revenue for the performance was $2741, how many adult and children tickets were sold?

8+5x=283

x=55

Parallel & Perpendicular

100

Parallel lines have the same what?

n+8>11

200

What do you do to find a slope perpendicular to an equation?

x-9<4

300

What is the slope that is perpendicular to y=2x+5?

2<p<6

400

Write an equation parallel to y= 4x+3 but passes through (2,3).

MUST BE IN SLOPE INTERCEPT FORM

n<-7 or n>12

500

Write an equation perpendicular to y=1/4x-3 but passes through (4,-1)

m>-7.5 or m<-10

Slope Intercept Form

100

What is the equation for slope-intercept form?

What is x > 1

200

What is the formula to find slope?

What is x ≥ -1

300

What is the formula for point-slope form?

What is x ≥ 1 and x ≤ -21

400

Write an equation that passes through (3,-1) and has a slope of -2

MUST BE IN SLOPE INTERCEPT FORM

What is a ≤ -1 and a ≥ 3

500

Write an equation that passes through (6,4) & (8,1)

MUST BE IN SLOPE INTERCEPT FORM

What is no solution