Fun with Equations
Miscellaneous
Simplify
Math Rocks
Math Mystery
100

Solve: 4x + 7 = 31

x = 6

100

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

Algebra: No 

100

Solve by Elimination

x-y=7

x+y=5

x=6 y=-1

100

Find the x- and y-intercept of the

line 2x + 3y = –18

x-intercept is –9; y-intercept is –6.

100

Decrease 450 by 6%

423

200

Solve: 2(3x - 4) = 34

x = 7

200

Write the polynomial in standard form

4g – g3 + 3g2 – 2

-g3 +3g2 + 4g - 2

200

Solve by Substitution  x=2

3x +2y =20

y=7

200

Algebra: What is the slope intercept formula?

algebra: y=mx+b

200

Algebra: What is the domain of y=x? 

Algebra: All real numbers 

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

Algebra: Solve for a: ax + b = c 

Algebra: a = (c - b)/x 

300

Simplify

r5 x r3

r8

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

 Evaluate: 

increase 350 by 5%

367.5

400

Solve: 

3p - 1 = 5( p - 1) - 2(7 - 2p)

p = 3

400

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

3ab-ac

400

Simplify: -4(8x - 2) -2(4 - 3x)

38x

400

Expand (2x – 6)2

4x2 - 24x + 36

400

Simplify: -(x + 7) -2(4x + 6)

-9x-19

500

Solve: 3/7x + 6 = 9

x = 7

500

Algebra: What's the domain of 

(x2 - 3x -10) = 0? 

Algebra:  all real numbers

500

simplify: 4h2k + 4hk2 + 2k2 + 7hk2 - 2k - 3h2k

kh2+11hk2+2k

500

Is this function linear or exponential?

y=3x+7

linear

500

Simplify: 1/5(-5 + 15x) - 2/5(20x - 25)

9-5x