Operations with Rational Numbers
The temperature was -8o F at 6:00am. It rose 22o F by 3:00pm. What was the temperature at 3:00pm?
What is 14o F
Combine the like terms of the following expression
6n - 1 - 8n + 9
What is -2n + 8
Find the additive inverse of
5x - 7
What is
-5x + 7
Complete the prime factorization for each term
18a
20ab
What is
18a=2*3*3*a
20ab=2*2*5*a*b
Solve
x+64=-6
What is
x=-70
Annalise earned $36.82 at her part time job, and earned some money from babysitting. If Annalise earned a total of $55.32 from both jobs, how much money did she earn from baby sitting?
(hint: $55.32= 36.82+X)
What is $18.50
Simplify a - 6 - 4a + 24
What is -3a+18
Find
(6x + 5) - (3x - 2)
What is
3x + 7
Factor the expression
12a+6b
What is
6(2a)+6b or 6(2a+b)
Solve
-3x+4=-8
What is
x=4
Find
-3(5/9)+1(2/9)
Write in simplest form.
What is
-(7/3) or -2(1/3)
Use the distributive property to expand
4(-3x+6)
What is
-12x + 24
Find
-(-7x - 14) - (x - 5)
What is
6x+19
Factor
8x-14
What is
2(4x-7) or 2(4x)-2(7)
Solve
2(4x-1)=62
What is
x=8
Evaluate x - y if x = -25 and y = -36
What is 11
Add the expressions
(4x + 2) + (5x - 7)
What is
9x + (-5) or 9x - 5
Find
3(-5x-9)-(-6x-1)
What is
-9x-26
Factor
64xy+16x
What is
8(8xy+2x) or 8(8xy)+8(2x)
Solve
3(2x+4)+3x=-69
What is
x=-9
Evaluate the expression -5xz if x = -2, y = 3, and z = -1. Write the product in simplest form.
What is -10
Distribute then add the following expressions
4(-2x + 10) + (-8x-1)
What is
-16x + 39
Find
8(8x+4)-5(6x-2)
What is
34x+42
Factor the following expressions
45xy-81y
60x+36
What is
9(5xy-9y)
12(5x+3)
Solve
2(4x+6)-5(3x-4)=-17
What is
x=-7
Solve and write in simplest form.
(1/3)(-2.75)
What is
-(11/12)
Simplify this expression. Write the answer in factored form.
2(-8x-3)+18x
What is 2(x-3)
Simplify the following expression
3(9x-3)+7(-6x+4)
What is
-15x+19
Factor the following expression
25x+14y
Cannot be factored
Solve the following expression
2(5x+3x)-6=150
What is
x=9