Write an inequality for the graph.
x > -1
Solve the equation for the unknown value:
-13.1 = w +5.7
-18.8 = w
Distribute the expression:
5(4x -3)
20x - 15
What is the GCF of (36, 81)
9
Write an equation. Then solve.
The temperature is -6 degrees. A cold front decreases the temperature to -13 degrees. By how many degrees did the temperature decrease?
-6 - x = -13
x = 7
Solve and graph the following inequality:
7+a>= 8
a >= 1
Solve the following equation for the unknown value.
9x + 4 = 40
x = 4
Distribute the expression:
-2(7x - 4)
-14x + 8
Write the expression in factored form. (Factor out the gcf)
3y + 12
3(y + 4)
Write an equation. Then solve.
A pack of pens costs $3 and a pack of pencils costs $1.50. You buy the same number of each pack and spend $18. How many packs of each did you buy?
4 packs of each
4 + x/2 >= 5
Solve the equation for the unknown value:
-5.1 = 4(d + 1.85)
d = -3.125
Combine like terms:
4m + 1 - 6 - 8m
-4m - 5
Factor out the gcf:
8b + 22
2(4b + 11)
Write and solve an inequality to represent this situation.
Katie wants to collect over 100 seashells. She has 34 seashells in her collection. Each day, she finds 12 more seashells on the beach. Katie can use fractions of days to find seashells. How many days will it take her to collect over 100 seashells?
100<34+12x
5.5<x
Solve and graph the following inequality:
-3x - 8 >= -2
x<=-2
Solve the following equation for the unknown value:
-5 = -4 + y/31
x = -31
Combine like terms:
8x - 3(6x + 10)
-10x - 30
Factor out the gcf:
72x - 18
18(4x -1)
Write and solve an inequality for Keith's situation.
Keith has $500 in a savings account at the beginning of the summer. He wants to have at least $200 in the account by the end of summer. He withdraws $25 each week for food, clothes, and movie tickets. How many weeks can Keith withdraw money from his account?
200<=500-25x
12>=x
Solve and graph the following inequality:
-5(x+6)<-15
x> -3
Solve the following equation for the unknown value:
4 = (b+2)/12
b = 46
Simplify the expression:
7x + 3 -(2x - 10)
5x + 13
Factor out the gcf:
-14x - 14
-14(x + 1)
Allison practices her violin for at least 12 hours per week. She practiced for three fourths of an hour each session. If Allison has already practiced 3 hours this week, how many more sessions remain for her to meet or exceed her weekly practice goal?
At least 12 sessions.
12 or more sessions
x>=12