Combine Like Terms
Simplify: 5x + 1 + 1
5x + 2
Factor: 2x + 4
2(x + 2)
x = 3
Which inequality sign would you use for the phrase "no more than"?
≤
There are 130 flowers in a garden which are either red or orange. There are 50 red flowers, how many orange flowers are there? (write and solve a 7th grade equation)
x + 50 = 130
x = 80 There are 80 orange flowers
Simplify: 2w + 3 + 4w
6w + 3
Factor: 4k + 16
4(k + 4)
Solve for x: 8x - 10 = 14
x = 3
What sign would you use for the words "at least"?
≥
You want to buy a video game for $60. You have $30 saved up already and can save $5 each week. How many weeks do you have to save up before having enough money to buy the game?
5x + 30 = 60
x = 6
Simplify: -10x + 6 + 5x
-5x + 6
Factor: 10m + 45
5(2m + 9)
x = -9
Write and graph an inequality that represents the scenario:
You need at least $70 to buy a new pair of shoes
x ≥ 70
●-------------->
70
When do you use an open circle when graphing an inequality?
When the sign is either < or >
-3r - 7r - 4r + 2
-14r + 2
Factor: -8v + -16
-8(v + 2) or 8(-v + -2)
Solve for x: 2(5x - 13) = -66
x = -4
Solve for x: 3x + 7 > 22
x > 5
Solve for x: 9(x + 1) = 27
9x + 9 = 27
9x = 18
x = 2
4x + 17 + 3c - 8x - 10
-4x + 7 + 3c
-55m + -60
-5(11m + 12) or 5(-11m + -12)
Solve for t: -5(-2t + 9) = -25
t = 2
-5x < 20
x > -4
Write and graph the inequality:
You can spend at most $50 on shoes
x ≤ 50
<------------●50