Order of Operations
Simplify
6 + 3 *2
12
Evaluate 3x+4 when x=2
10
The sum of a number and 9.
x+9
12
Natural, Whole, Integer, Rational, Real
Solve x+5=12
x=7
Solve
2x+5=15
x=5
A taxi charges $4 plus $2 per mile. If your ride costs $10, how many miles did you travel?
3 miles
Simplify
(12-8)*5 div2
10
Evaluate 2a^2-b when
a=3,b=4
14
Four less than three times a number y
3y-4
-3/5
Rational and Real
Solve
4y=-28
y=-7
Solve
3(x-2)=9
x=5
A concert ticket costs $30 plus a one-time fee of $5. If you bought 3 tickets how much did you spend?
$95
Simplify
18-2(4+5)
0
Evaluate (mn)/2 when m=6,n=8
24
Twice a number n increased by 7, then divided by 5
(2n+7)/5
sqrt(50)
Irrational and Real
Solve
z/-6=2
z=-12
Solve
5m-4=2m+11
m=5
The perimeter of a rectangle is 2L + 2W. If L=3x and W=2x+1, write and simplify an expression for the perimeter.
10x+2
(3^2+4^2)-(5div(2+3))
24
Evaluate (x^2+y)z when x=2,y=3,z=4
28
The quotient of the difference of a number and 6, and 4.
(x-6)/4
Place in order from least to greatest: -0.82, -0.9, -0.65, -0.652
-0.9, -0.82, -0.652, -0.65
Solve
-p=-15
p=15
Solve
4(n+3)-2=2n+16
n=3
A gym charges $20 per month plus a $50 sign-up fee. If your total cost after 6 months is $170, was there a mistake? Explain.
No mistake
Simplify
2[5+(12div3)^2]-7
35
Evaluate (3p^2-q)/r when p=3,q=5,r=2
11
Six more than the product of two consecutive integers.
n(n+1)+6
True or False: Every rational number is also a real number.
True
Solve
3/4k=-9
k=-12
Solve
7(x-2)-3x=2(x+4)-6
x=8
A company makes t-shirts. Daily expenses are $900 plus $7 per shirt. They sell each shirt for $12. How many shirts must they sell to make a profit of at least $600 in one day?
300 shirts