Problem 1 :
Last Saturday, Maya drove from her house to the bookstore, where she stayed for several hours before driving back home. Which of the following graphs could represent Maya's trip ?
Problem 2 :
At a movie theater, an adult ticket costs $10 and a bag of popcorn costs $6. If a group of adults bought tickets to a movie and 4 bags of popcorn, what expression could be used to determine how much in total the group spent, in dollars ?
(a) 10x + 6, where x is the number of adults
(b) 10x + 24, where x is the number of adults
(c) 16x, where x is the number of adults
(d) 6x + 10, where x is the number of bags of popcorn purchased.
Problem 3 :
On Friday, Janice read x pages every 30 minutes for 4 hours, and Kim read y pages every 15 minutes for 5 hours. Which of the following represents the total number of pages read by Janice and Kim on Friday ?
(a) 4x + 5y (b) 8x + 20y (c) 20x + 8y (d) 120x + 75y
Problem 4 :
At the start of a semester, 150 students enroll in a course for which the regular tuition fee is $5, 400. The school finds that for every $200 discounts on the tuition fee for the course, the students enrollment increase by 9. Which of the following equation gives the student enrollment E when the tuition fee for the course is discounted by d dollars ?
(a) E = 150 + 0.045 d (b) E = 150 + 9d
(c) E = 150+0.045(5400 - d) (d) E = 150+9(5400 - 200d)
Problem 5 :
Jones climbed a mountain at the speed of 1 kilometer per hour and came down at the speed of 2 kilometer per hour. Which of the following could be the graph of the distance from the bottom of the mountain as a function of time ?
Problem 6 :
Kevin has collected m coins. Ellie has collected half as many as Kevin, but 5 more than Robert. In terms of m, how many coins has Robert collected ?
(a) 2m - 5 (b) (m/2) + 5 (c) 2m + 5 (d) (m/2) - 5
Problem 7 :
Price $320 $360 |
Quantity demanded 93, 600 84, 200 |
A clothing company sells its flagship winter jacket all year round. The table above shows the quantity demanded when the price of the jacket is $320 and when it is $360. Assuming the quantity demanded decrease at a constant rate with respect to price, which of the following linear functions Q best models the quantity demanded when the price of the jacket p in dollars ?
(a) Q(p) = 93600 - 235p (b) Q(p) = 93600 - 260p
(c) Q(p) = 93600 - 235(p - 320)
(d) Q(p) = 93600 - 260(p - 320)
Problem 8 :
A movie rental service charges $15 as a monthly subscription fee and $3 per movie rented. If Alex rents x movies per month from this service, which of the following expression gives the total amount in dollars, he spends on movie rentals in one year ?
(a) 12(18x) (b) 15 + 12(3x)
(c) 12(15) + 3x (d) 12 (15 + 3x)
Problem 9 :
A car has an estimated initial value of $65000. Once the car is sold, its value decreases at a constant rate of $2300 per year. Which of the following equations best approximated the value V in dollars, of the car t years after it is sold, for 0 ≤ t ≤ 28 ?
(a) V = 65000 + 2800t (b) V = 65000 - 2800t
(c) V = 65000 + 2300t (d) V = 65000 - 2300t
Problem 10 :
A grocery store uses crates to store a total of 36a apples and 24w watermelons. Each crate can be used to store either 12 apples or 6 watermelons. Which of the following expression gives the total number of crates the grocery store uses to store apples and watermelons.
(a) 3a + 4w (b) 4a + 3w (c) 1/4a + 1/3w (d) 1/3a + 1/4w
1) Option a
2) 10x + 24, option b
3) 8x + 20y, option b
4) E = 150 + 0.045 d. option a
5) graph (a)
6) (m/2) - 5, option d
7) Q(p) = 93600 - 235p , option a
8) 12(15 + 3x), option d
9) V = 65000 - 2300t, option d
10) 3a + 4w, option a.
May 21, 24 08:51 PM
May 21, 24 08:51 AM
May 20, 24 10:45 PM