Alg Sec 5.1 - 5.4

Solve the following compound inequality:

−4x + 1 ≤ 21 and 5x + 2 < 22

• x > −5 or x ≤ 4

• x ≥ −5 or x < 4

• x > −5 and x ≤ 4

• x ≥ −5 and x < 4

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

What inequality is graphed?

• x > 2 and x ≤ −3

• x > 2 and x < −3

• x > 2 or x ≤ −3

• x > 2 or x < −3

Tags

CCSS.HSA.CED.A.3

CCSS.HSA.REI.D.12

Solve the following compound inequality:

−8 < 2(x + 4) or −3x + 4 > x − 4

• No solutions

• x < −8 or x < 2

• x > −8 or x < 2

• x < −8 and x < 2

Tags

CCSS.HSA.REI.B.3

Your family needs 2 gallons of water this week, but you don’t want to buy any more than 8 gallons. Write an inequality representing the possible gallons of water you could buy this week.

• 2 ≤ x ≤ 8

• 2< x < 8

• 2 ≥ x ≥ 8

• 2> x > 8

When graphing an inequality, you use an open dot when you use which symbol?

• <, >
• ≤, ≥ 

Tags

CCSS.6.EE.B.8

Mrs. Scott decided that she would spend no more than $120 to buy a jacket and a skirt. If the price of the jacket was $20 more than 3 times the price of the skirt, which inequality represents the highest possible price of the skirt?

• 20x + 120 ≥ 3
• x/3 + 20 ≤ 120
• 3x + 20 ≤ 120
• 3x + 20 ≥ 120

Tags

CCSS.7.EE.B.4B

When do you change the sign when solving a compound inequality?

• You don't change the sign.

• When multiplying or dividing by a negative number.

• When adding or subtracting by a negative number.

• When multiplying or dividing by a positive number.

Tags

CCSS.HSA.REI.B.3

Solve the inequality for w:
-5(w - 4) < -5w - 15

• w > 15
• All real numbers are solutions
• w < 5
• No solutions to this inequality

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

Most snakes live where the tempurature ranges from $75\degree F$ to  $90\degree F$  . Write an inequality for temperatures where snakes will NOT thrive.

•  $t<75\ \ \ or\ \ \ t>90$  

•  $t<75\ \ or\ \ \ t\ne90\$  

•  $t\le75\ \ \ or\ \ \ t\ge90$  

•  $t\ge75\ \ \ or\ \ \ t\le90$  

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.3

Which situation can be represented by the inequality
15 + 6x ≤ 100?

• Lazer Zone charges $15 plus $6 per person. If Andrea has a maximum of $100 to spend, how many people can Andrea invite to play laser tag?
• Lazer Zone charges $6 plus $15 per person. If Andrea has a maximum of $100 to spend, how many people can Andrea invite to play laser tag?
• Lazer Zone charges $15 plus $6 per person. If Andrea has a minimum of $100 to spend, how many people can Andrea invite to play laser tag?
• Lazer Zone charges $6 plus $15 per person. If Andrea has a minimum of $100 to spend, how many people can Andrea invite to play laser tag?

Tags

CCSS.7.EE.B.4B