Problem 1 :
Which expression is equivalent to (5rt - 3rw - 8tw) + (6rt - 4rw + 2tw) ?
A) 11rt + rw - 10tw B) 11rt - 7rw - 6tw C) 11rt + rw - 6tw
D) 11rt - 7rw - 10tw
Problem 2 :
The solutions to p(x) = 0 are x = -7 and x = 7. Which quadratic function could represent p ?
F) p(x) = x^{2} - 49 G) p(x) = x^{2} + 49 H) p(x) = x^{2} - 14
J) p(x) = x^{2} + 14
Problem 3 :
Two points are plotted on the grid.
Which equation in slope - intercept form best represents the line that passes through these two points ?
A) y = -(2/3)x - (11/3) C) y = -(2/3)x - (10/3) |
B) y = -(11/3)x - (2/3) D) y = -(10/3)x - (2/3) |
Problem 4 :
The table shows the value in dollars of a motorcycle at the end of x years.
Motorcycle
Which exponential function models this situation ?
F) v(x) = 9,000(1.1)^{x }G) v(x) = 9,000(0.9)^{x}
H) v(x) = 8,100(1.1)^{x }J) v(x) = 8,100(0.9)^{x}
Problem 5 :
What is the positive solution to x^{2} + 9x - 22 = 0 ?
Record your answer and fill in the bubbles on your answer document.
Problem 6 :
A university will spend at most $4, 500 to buy monitors and keyboards for a computer lab. Each monitor will cost $250, and each keyboard will cost $50.
Which inequality represents all possible combinations of x, the number of monitors, and y, the number of keyboards, the university can buy for the computer lab ?
F) 250x + 50y < 4,500 G) 250x + 50y ≤ 4,500
H) 50x + 250y < 4,500 J) 50x + 250y ≤ 4,500
Problem 7 :
A construction manager is monitoring the progress of the build of a new house. The scatterplot and table show the number of months since the start of the build and the percentage of the house still left to build. A linear function can be used to model this relationship.
Which function best models the data ?
A) y = -13.5x + 97.8 B) y = -13.5x + 7.3
C) y = 97.8x - 13.5 D) y = 7.3x - 97.8
Problem 8 :
Given f(x) = x^{2} - 36, which statement is true ?
F) The only zero, 6, can be found when 0 = (x - 6) (x - 6).
G) The only zero, 18, can be found when 0 = (x - 18) (x - 18).
H) The zeros, -6 and 6, can be found when 0 = (x + 6) (x - 6).
J) The zeros, -18 and 18, can be found when 0 = (x + 18) (x - 18).
Problem 9 :
A function is shown.
f(x) = 7 - 4x
What is the value of f(-5) ?
A) 27 B) -13 C) -15 D) 140
Problem 10 :
Which graph best represents y = -4(x + 3) - 2 ?
May 21, 24 08:51 PM
May 21, 24 08:51 AM
May 20, 24 10:45 PM