Numbers and Expressions
Solving Equations
Rewriting Equations
Inequalities
Absolute Value
100
Graph -0.2 , 7/10 , and sqrt2 on a number line.
100
Solve the equation
2b+5=13
b=4
100
Solve the equation w-6z=7 for w
w=7+6z
100
Write an inequality represented by the graph:
x> -1
100
Solve the equation
|n|=9/13
n=9/13, n=-9/13
200
Evaluate the expression
-2^6
-64
200
Solve the equation
7m-41=-13
m=4
200
Solve the formula d=rt for r
r=d/t
200
Solve the inequality
-4b+6<18
b> -3
200
Solve the equation
|3p+2|=7
p=5/3, p=-3
300
Simplify the expression
3x^2+9(x^2+2x)
12x^2+18x
300
Solve the equation
-3/5x+1=4
x=-5
300
Solve the equation 2x+5y=-1 for y
y=-2/5x-1/5
300
Solve the inequality
2x+1<5 or 3x-7>=8
x<2 or x>=5
300
Solve the inequality
|x-5|>=1
x>=6 or x<=4
400
Evaluate the expression 8m+(2m-9)^3 when m=6
8(6)+(2(6)-9)^3=8(6)+(12-9)^3
=8(6)+3^3=8(6)+27=48+27=75
400
Solve the equation
10-x=-6x+15
x=1
400
Solve the formula P=2l+2w for l
l=(P-2w)/2
400
Write an inequality represented by the graph
-3<x<=2
400
Solve the inequality
|6z+5|<25
z<10/3 and z> -5
-5<z<10/3
500
Evaluate the expression (3x)^2-y^3 when x=4 and y=5
(3(4))^2-(5)^3=(12)^2-(5)^3
=144-125=19
500
Solve the equation
-4(2x+5)=2(-x-9)-4x
x=-1
500
Solve the equation (2y)/(5x)=2+4x for y
y=5x+10x^2
500
Solve the inequality
5<=2x+3<11
1<=x<4
500
Solve the equation. Check for extraneous solutions.
|10-7g|=2g
g=10/9, g=2
Neither solution is extraneous.