Show:
Expressions
Linear Equations
Rewriting Equations
Inequalities
Absolute Value
100
Evaluate: -3^2
What is -9
100
-5x + 3 = 18
What is x = -3
100
D = rt ;t
What is D/r = t
100
4x + 5 > 25
What is x > 5
100
| x | = 3
x = +3, - 3
200
Evaluate: 4-3(18/2+2)
What is -29
200
5n + 11 = 7n - 9
What is n = 10
200
A = 1/2bh ; b
What is 2A/h = b
200
5 - 2x >= 27
What is x <= -11
200
| 2x + 5 | = 1
What is x = -2, x = -3
300
Evaluate -x+y^2 ; when x=-2, y=3
What is 11
300
4( 3x - 5 ) = -2(-x + 8 ) - 6x
What is x = 1/4
300
P = 2L + 2W ;w
What is P/2 - L = w
300
1/2x - 4 > -6
What is x > -4
300
| 3x - 11 | = -4
What is No solution
400
Evaluate: (-2x+5y)/x ; when x=-2, y=-1
What is 1/2
400
5( x - 2 ) = -4( 2x + 7 ) + x
What is x = -3/2
400
2x + 3y = 6 ;y
What is y = -2/3x + 2
400
3x + 2 < -10 or 2x - 4 > -4
x < -4 or x > 0
400
| x + 5 | > 12
What is x < -17 or x > 7
500
Evaluate: (x^2y^2)^2 ; When x=-1, y=2
What is 16
500
1/4x - 1/2 = 3/4x + 2/3
What is x =- 7/3
500
3/4x + 5y = 20 ; y
What is y = - 1/2x + 17/8
500
-8 < 2/3x - 4 < 10
-6 < x < 21
500
| x + 1 | < 8
What is -9 < x < 7