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Fun with Equations
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Math Rocks
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100
Solve: 2x + 2 = 18
x = 8
100

Algebra: Is this a function: {(1, 2), (2, 3), (2, 4)} 

Algebra: No 

100
What is the answer to a system of equations written like?

(x,y)

100
Find the slope: y = 3x + 5
3
100

What are the two different ways you can graph a positive slope?

Up and to the right or down and to the left

200
Solve: 3x + 4 = 7
x = 1
200

evaluate: 3 + -2 * 5

 -7

200

Which is not true?

7 + x = x + 7

4*(x+3)=(x+3)*4

x-2=2-x

x-2=2-x is not true

200

What is the slope intercept form of a linear equation:

y = mx + b

200

What are two different ways you can graph a negative slope?

Down and to the right or up and to the left

300
Solve: 3x + 3 - 2x = 21
x = 18
300

Algebra: Solve for a: ax + b = c 

Algebra: a = (c - b)/x 

300

Solve: 2(2x-4)=32

x = 10

300
Solve: (3 - 3x)/7 = 6
x = -13
300

Evaluate: {[(2 * 3) + (7 * 4)] + 2} * [(8 - 6) - (4 - 3)] 

Algebra: 36 

400
Solve: 4x - 5 - 3x + 2 - 2x = 9
x = -12
400

Simplify: a(b - c) - 2a(c + b)

-1ab - 3ac

400

Simplify: -4(3x - 2) -2(4 + 3x)

-18x

400
Simplify: 22p - 7p + 19 - 15 - 12
15p - 8
400
Simplify: -(x + 7) -2(4x + y)
-9x -7 -2y
500
Solve: 21 = x - 12
x = 33
500

 Evaluate 1/4 + 2/9

17/36

500

simplify: 3(x-4)-2(3x-1)

-3x-10

500

What's the slope of the line passing through (3,9) (5,4)

-5/2

500

Solve the following system of equations by substitution

y=2x  3x+2y=21

(3,6)