Solving Systems of Linear Equations and Inequalities

Slope- Intercept Form

100

What is the equation of Slope-Intercept Form?

y=mx+b

200

Which of the following is in Slope-Intercept Form?

a) y+x=7

b) x= 2y-3

c) y=3x-2

c)

300

Please convert into Slope Intercept Form

y -2x=3

y= 2x+3

400

Please convert into Slope-Intercept Form

4x-6y=36

y=2/3x-6

500

Please convert into Slope-Intercept Form

5x-8y<72

y>5/8x-9

Solving Systems using Elimination

100

What does it mean to eliminate?

To get rid of

200

Which three things must be true inorder to use the elimination method?

1. Must have the same number 

2. Must have the same variable 

3. Must have opposite signs 

300

Use the elimination method to solve the following system of equations

-3x+4y=12

3x-2y=2 

x=-4

y=7

400

Please use elimination to solve the following system of equations 

9x-4y=24

8x-7y=11

x=4

y=3

500

Please use elimination to solve the following systems of equations.

6x+9y=-3

6x+5y=9

x=4

y=-3

Solving Systems using Substitution

100

What does it mean to substitute?

to fill in...replace temporarily 

200

Please solve the following using substitution 

y=3

2+y=x

y=3

x=5

300

Please solve the following using substitution method 

y=3x

2x+y=20

x=4

y=12

400

Please use substitution method to solve the following 

y=3x-3

-2y-3x=6

x=0

y=-3

500

Solve the following using substitution method

y=9x

y=2x+63

x=9

y=81

Solving Systems using Graphing

100

How many solutions does parallel lines have?

No solution 

200

What does the slope represent on a graph?

rise over run....how you move on a graph 

300

The y-intercept of an equation is -6. At what point on the graph do I begin my graph.

(0, -6)

400

Please identify the slope and y-intercept in the following equation 

y=-6x+7

slope=-6

y-intercept=7

500

Please explain in words how you would graph the following equation

y=-4/3x+2

start on the y axis at 2 and move down 4 units and then 2 units to the right. 

Solving Systems of Inequalities

100

What type of line do you use for the sybols <,>

dotted line

200

Where would you shade for the following inequality

y<2x-1

Shade below the line 

300

Graph the following inequality

x>4

(Check boards)

400

Explain in words how you would graph the following inequality 

y<-3x+4

Start at 4 on the y axis. Move down 3 units then one unit to the right. make the line dotted. shade below the line 

500

DAILY DOUBLE 

Select how many points you want to double and then I will give you your question 

(Look on board)