5x + 7x
12x
72x - 40x
32x
Translate: A number increased by 5 is 45
x + 5 = 45
What is the answer in a multiplication problem called?
product
What is 0.75 as a fracton?
3/4
-34w + 20w
-14w
From 81x subtract 50x
31x
Translate: Three times a number decreased by 43 is 21
3x - 43 = 21
What is the letter in algebra called?
Variable
What is -38 as a fraction?
-38/1
4x2 + 2x2 + 8x2
14x2
Subtract 80x from 100x
20x
Translate: Twice a number increased by 7 is -17
2x +7 = -17
What is the number in front of the letter called?
Coefficient
Round 32.876 to the nearest tenth
32.9
74z + 45z + z
120z
Subtract 3x2 from 7x2
4x2
Translate: One-half of a number decreased by 6 is 20
1/2n - 6 = 20
What is the answer in a division problem called?
quotient
Distribute : 4(-2x - 7)
-8x + 28
23d + 32d - d + 4d
58d
From 87w subtract -32w
119w
Translate: 4 less than a number is 30
x - 4 = 30
What is the name of the "rainbow" property?
Distributive
Evaluate: -x2 + 2x -4y when x=-2 and y=3
-20