What is the symbol for more than?
>
x + 7 < 8
x < 1
3x - 1 ≥ 14
x ≥ 5
If a = -2, b = 3, c = 4, what is the value of (a - 7 * b) + a * c?
(-2 - 7 * 3) + -2 * 4
Ans: -31
Lisa is cooking muffins. The recipe calls for more than 7 cups of sugar. She has already put in 2 cups. How many more cups does she need to put in?
x + 2 > 7
x > 5
What is the symbol for "less than"
<
b - 9 ≥ -20
b ≥ -11
x/2 - 4 < 10
x < 28
What is the value of |y| + 4 - y * x, if x = 7 and y = -2?
|-2| + 4 - (-2) * 7
Ans: 20
David and Stephen played a game of air hockey against one another. David scored 14 goals. The number of goals David scored is equal to 2 more than 4 times the number of goals Stephen scored. Exactly how many goals did Stephen score?
14 = 4x + 2
x = 3
What is the symbol for "no more than?"
≤
4x > 24
x > 6
-5x + 3 > -22
x < 5
Remember to reverse the inequality.
What is the value of x2 - 5.5x - 1 + y/z, if x = 3, y = 7, and z = 2?
32 - 5.5(3) - 1 + 7/2
Ans: -5
John called a plumber to fix a leak in his bathroom. The plumber charged $30 to come to the house and $25 an hour while fixing the leak. If the final bill was $105, how many hours was the plumber at John's house?
30 + 25h = 105
h = 3
What is the symbol for "at most"?
≤
m/3 ≤ 12
m ≤ 36
-6x - 3 > -15
What is x<2
Remember to reverse the inequality.
what is the value of the expression, if x = -4 and y = ?3
(-4 + 3)/(-4)(3)
Ans: 1/12
Jake and Sean are selling desserts for band. Jake has sold 15 desserts. This is 5 less than twice the number of desserts Sean has sold. How many desserts did Sean sell?
15 = 2x - 5
x = 10
What is the symbol for "at least"?
≥
-2x < 18
x > -9
Remember to reverse the inequality.
9 < 2+(-x)
What is -7>x
Remember to reverse the inequality.
1/2x ≥ 4
x ≥ 8, closed circle pointing right
Samantha is saving money for a holiday gift. So far she has saved $27. The amount she saved is 6 more than 3 times the amount her brother has saved. How much has her brother saved?
27 = 3x + 6
x = 7