EXPRESSIONS, EQUATIONS, AND FUNCTIONS
REAL NUMBERS
LINEAR EQUATIONS/GRAPHING
WRITING, SOLVING AND GRAPHING LINEAR EQUATIONS
SYSTEMS OF EQUATIONS
100

4(6n+7) when n=3

100

100

11 plus the square root of 64

19

100
Identify the slope and y-intercept: 6x+3y=18
What is m=-2;b=6
100
Equation of the line that passes through the point (-2,9) and has slope -2.
What is y=2x+5
100
Solve the linear system: 5x+y=4, 6x-y=7
What is x=1, y=-1 or (1,-1)
200

3 times a number minus 6 equals 30

3x-6=30

200

Simplify: -7x(x-13)

What is 7x2+91x.

200
X-intercept and Y-intercept: -2x+5y=-20
What is x-intercept=10; y-intercept=-4
200

Equation of the line that passes through the two given points: (3,9) (1,1).

y=4x-3

200

Graph: y≥3x-1, y<2x+2

What is look at graph.

300

x=8 a solution for 2x+10<4x-7

show work 

What is no 26<25 does not work!

300

-16--25.2

 9.2.

300
Solve for x: 16x-4=4(2x-3)
What is x=-1.
300

Equation of the line that passes through the given point and is parallel to the given line: (3,-3), y=x+5

y=x-6

300

Is the ordered pair a solution? show work for credit (4,3), 5x-4y=20, 3y=2x+1

No.

400

You buy apples at $2 per apple and oranges at $3.50 per orange. What is an expression for the total cost of fruit purchased? 

What is 2a+3.50x=c 

400

6x(3x+8)+2x

18x2+50x

400
Solve proportion: b/8=9/4
What is b=18.
400

Solve: |x-2|>9

 x>11 or x<-7

400

Graph: y<2x+1  2y≥-8-4x

What is look at graph.

500

F(x)=2x2-3x+2

solve f(3)=

-7

500

11x+2(x+9)-3x(5x-2) solve and write in standard form 

-15x2+19x+18

500

Graph:2y+3=4x+5

y=2x+1

500

Graph: 3-2y<4x+1 

 look at graph.

500
Solve the linear system: 2x+9y=16, 5x=1-3y
What is x=-1;y=2 or (-1,2)
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