Inequalities
Graph: x < 5 on a number line
Open circle on 5, shading to the left
What is |–7|?
7
What is 25% of 80?
20
"x plus 6 equals 10"
x+6=10
$30 for 5 sandwiches. Per sandwich?
$6 per sandwich
Is –2 a solution to x > –3?
Yes, because –2 is greater than –3
What is the absolute value of 0?
10 is what percent of 40?
25%
x – 4 = 9. What is x?
x=13
120 miles in 3 hours = ?
40 miles per hour
Write an inequality: "A number is at most 10"
x ≤ 10
Which is greater: |–8| or |3|?
|–8| is greater
120% of 50 = ?
60
"Triple a number is 21"
3x = 21
x = 7
$18 for 6 books = ?
$3 per book
Graph: x ≥ –1
Closed circle at –1, arrow to the right
|–3| + |5| = ?
8
$60 jacket is 25% off. Sale price?
$45
3x = 27
x=9
2.5 gallons in 5 minutes = ?
0.5 gal/min
Write & graph: "x is less than –2""
x < –2, arrow to the left of negative 2
Depth of –15 ft. What’s the absolute value?
15
Scored 42 out of 50. What percent?
84%
“5 more than twice a number is 17”
2x + 5 = 17
350 miles in 7 hours = ?
50 miles per hour