Writing Expressions
Write
"a number increased by 8"
as an algebraic expression.
x+8
8+x
*Any variable will do.
Evaluate
x-1-y
If x=5 and y=1
3
Simplify
9x+2x
11x
5a + 15
Factor 2x+6
Subtract (11y+5) - (4y+3)
Write
b less than 18
as an algebraic expression.
18-b
Evaluate
yx
(yx) / 5
If x=5 and y=5
5
Simplify 123y-y
122y
Expand 5(a-3)
5a-15
Factor 7x-7
7(x-1)
Subtract (3x+8) - (x-2)
2x+12
Write an algebraic expression to represent the following:
Jack had 3 bags of golf balls with b balls in each bag.
3b
Evaluate
m-q divided by 5
If m=6 and q=5
5
Add then simplify (-7s+4)+(-8s+4)
-15s+8
Expand -5(a+3)
-5a-15
Factor 18u+6
6(3u+1)
Subtract (5x+6) - (-x+6)
6x
A large cheese pizza costs $18. Each topping you add on costs $1.50. Write an expression to show how much it cost would to get a large cheese pizza with c toppings added?
18+1.50c
Evaluate
p(q+p)
If p=2 and y=4
12
4(3a+2) + 2(a-4)
14a
Expand -5(a-3)
-5a+15
Factor 50b+70
-y+11
Sergio has p paintings in his art collection. He and other local painting collectors agreed to donate a total of 48 paintings to the local museum. Each of the 12 collectors will donate the same number of paintings.
p-4
Evaluate
x-(y-4)
If x=1 and y=4
1
You and your friends went out to eat. Your bill was $b before tip. You plan on leaving a 20% tip. Write and simplify an expression to represent the final cost of your dining experience.
1.2b
Expand -5(-a-3)
5a+15
Factor 16w+36
Subtract (7v-9) - 3(-2v-3)
13v