Simplify Expressions | Add/Subtract Expressions | Factor Expressions | Analyze Equivalent Expressions | Substitute Numbers in for Variables |
---|---|---|---|---|
Simplify the expression 2(x-6)+2(8)
2x+4
|
The price of nails is $1.29/lb., the price of washers is $0.79/lb. and the price of bolts is $2.39 per pound. Write an expression to represent the total price of n lbs of nails, w pounds of washers and b pounds of bolts.
1.29n+0.79w+2.39b
|
Use GCF to factor 9p-3
3(9p-1)
|
Harper earns y dollars per hour. Next month she will receive a 4% raise in pay per hour. The expression y+0.04y is one way to represent Harper's pay per hour after the raise. Write an equivalent simplified expression that will represent her pay per hour after the raise.
1.04y
|
What is the value of the expression below when b=-4 and c=1?
6(5b-c)
-126
|
Are all three expressions equivalent to
-0.75(32+24e-4f)? -18e+3f-24 -24-18e+3f 3(-8-6e+f)
yes
|
During a walkathon Team A walks a toal of 6x+12 miles and Team B walks a total of 4x-7 miles. What is the difference in miles walked between the two teams?
2x+19
|
Use GCF to factor 24a+36c-54
6(4a+6c-9)
|
The manager of a store discounts an item by 10%. The new price of the item is represented by x-0.10x. Does 1.10x represent the new price of the item?
no
|
The price of nails is $1.29/lb., the price of washers is $0.79/lb. and the price of bolts is $2.39/lb. What is the total cost of buying 2 lbs of nails, 4 lbs of washers and 3 lbs of bolts?
$12.91
|
10 - 2d -4d + 3d
10-3d
|
(21x)-(-16+7x)
28x+16
|
The perimeter of an equilateral triangle is represented with the expression 66m+39. What is the length of one of the sides?
22m+13
|
The length of a stage is increased by 50%. The new length can be wriiten as (2y+6)+1/2 or 1.5(2y+6). Are both expressions correct?
yes
|
If c=3, solve the expression: 3c+2c+2c
21
|
-8w+ (-4z) + 2 + 6w + 9z - 7
-2w+5z-5
|
(5.3b-6.2) - (-3.8b+ 2.7)
9.1b-8.9
|
Factor the expression using GCF 30b-6c
6(5b-c)
|
Write c-0.15c in simplified form.
0.85c
|
If a=5, solve the expression: 2a+9+6a-13-7
29
|
Simplify the expression -2b+7c-9b-4c+8
-11b+3c+8
|
(424p-37)-(-3p+12)
427p-49
|
Rewrite the expression 12x+8 to find two equivalent expressions.
2(6x+4)
4(3x+2) |
Does v-0.02v show a percent increase or decrease?
decrease
|
if y=12, solve the expression: -3y-6+7-4y
-83
|