Algebraic Expressions: NC
Word Problems: NC
Linear Equations: NC
100
If (x - 1) / 3 = k and k = 3, what is the value of x ?
x = 10
100
On Saturday afternoon, Armand sent m text messages each hour for 5 hours, and Tyrone sent p text messages each hour for 4 hours. Write an equation that represents the total number of messages sent by Armand and Tyrone on Saturday afternoon?
What is 5m + 4p
100
A line in the xy-plane passes through the origin and has a slope of 1/7. Which of the following points lies on the line? A) (0, 7) B) (1, 7) C) (7, 7) D) (14, 2)
D) (14, 2)
200
(x^2y - 3y^2 + 5xy^2) - (-x^2y + 3xy^2 - 3y^2) Which of the following is equivalent to the expression above?
2x^2y + 2xy^2
200
Kathy is a repair technician for a phone company. Each week, she receives a batch of phones that need repairs. The number of phones that she has left to fix at the end of each day can be estimated with the equation P d = 108 − 23 , where P is the number of phones left and d is the number of days she has worked that week. What is the meaning of the value 108 in this equation?
Kathy starts each week with 108 phones to fix.
200
If y = kx , where k is a constant, and y = 24 when x = 6, what is the value of y when x = 5 ?
y = 20
300
If a/b = 2, what is the value of 4b/a?
2
300
h = 3a + 28.6 A pediatrician uses the model above to estimate the height h of a boy, in inches, in terms of the boy’s age a, in years, between the ages of 2 and 5. Based on the model, what is the estimated increase, in inches, of a boy’s height each year?
3
300
x + y = −9 x + 2y = −25 According to the system of equations above, what is the value of x ?
x = 7
400
b = 2.35 + 0.25x c = 1.75 + 0.40x In the equations above, b and c represent the price per pound, in dollars, of beef and chicken, respectively, x weeks after July 1 during last summer. What was the price per pound of beef when it was equal to the price per pound of chicken?
3.35
400
If 16 + 4x is 10 more than 14, what is the value of 8x ?
16
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