4m 10 m Exam Review Grade 9 Academic Math THIS REVIEW PACKAGE COUNTS IN YOUR MARK! Certain Questions are to be done on lined paper – listen for instructions Identify the choice that best completes the statement or answers the question. 1. Whic h g raph does NOT represent a partial variation? A B C D 2. Use f irst d iffer ences t o det ermine which relation is linear. A B x y x y 0 2 0 5 1 3 2 3 2 4 4 –1 3 4 6 –3 F Both A and B are linear. G Only A is linear. H Only B is linear. I Neither A nor B is linear. 3. Which equation represents a partial variation? A B C D none of these 4. What i s th e sl ope of the ramp? F 0.04 G 0.4 H 4 I 40 5. For the line , which statement is true? A Thex-intercept is 3, and they-intercept is 4. B Thex-intercept is 3, and they-intercept is –4. C Thex-intercept is 4, and they-intercept is 3. D Thex-intercept is 4, and they-intercept is –3. 6. What are thex- andy-intercepts of the line 5 x– 4 y= 20? F x-intercept = 4, y-intercept = –5 DO NOT WRITE IN THIS BOOKLET!!! All answers go on lined paper or the bubble answer sheet provided.
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Certain Questions are to be done on lined paper – listen for instructions
Identify the choice that best completes the statement or answers the question.
1. Which graph does NOT represent a partial variation?
A B C D
2. Use first differences to determine which relation is linear.A B
x y x y
0 2 0 51 3 2 32 4 4 –13 4 6 –3
FBoth A and B are
linear.
GOnly A is linear.
HOnly B is linear.
INeither A nor B is
linear.
3. Which equation represents a partial variation?
A B C D none of these
4. What is the slope of the ramp?F 0.04
G 0.4H 4I 40
5. For the line , which statement is true?A The x -intercept is 3, and the y -intercept is 4.B The x -intercept is 3, and the y -intercept is –4.C The x -intercept is 4, and the y -intercept is 3.D The x -intercept is 4, and the y -intercept is –3.
6. What are the x - and y -intercepts of the line 5 x – 4 y = 20?
F x -intercept = 4, y -intercept = –5
DO NOT WRITE IN THIS BOOKLET!!!All answers go on lined paper or the bubble answer sheet provided.
27. A cone has a radius of 10 cm and a height of 24 cm. What is its slant height?A 24.5 cm B 25 cm C 25.5 cm D 26 cm
28. A sphere has a radius of 12 cm. What is its surface area, to the nearest square centimetre?F 1810 cm G 1921 cm H 1746 cm I 1820 cm
29. Elliot is planning a rectangular flowerbed. He has 20 m of edging material. Whichdimensions give the greatest area for his garden?A 4 m ́ 6 m B 8 m ́ 2 m C 10 m ́ 10 m D 3 m ́ 7 m
30. Cylindrical can A has a diameter of 6 cm and a height of 10 cm. Cylindrical can B has a diameter of 10 cm and a height of 6 cm.Which statement is true?F Can A has a greater volume than can B.G Can B has a greater volume than can A.H Both cans have the same volume.
I Both cans have the same volume and surface area.
31. Which expression is equivalent to 3(2 x + 3) + 2( x + 1)?A 7 x + 8 B 8 x + 4 C 8 x + 9 D 8 x + 11
32. The expressions in which pair are equal?F and G and H and I and
33. Simplify.F G H I
34. y = –2 is the correct solution for which equation?A 2 y – 5 = 1 B y – 3 = –5 C 3 y + 1 = 5 D 4 y + 8 = –4
35. By which number would you multiply both sides of the equation to
39. Alec had a certain amount in his bank account when it
was opened. He withdraws the same amount each month. This graph shows the amount in Alec’s account at theend of each month.
Write an equation for the amount, A dollars, inAlec’s account after t months.
A A = 90 +18tB A = 18 + 90tC A= 90 - 18tD A = 18 - 90t
40. This table shows the cost of renting a banquet room. The cost is a flat fee for the room plus a fixed amount for each person that attends thebanquet.
Find the equation for the cost.
F C = 12n + 45 G C = 45n + 12 H C= 10n + 165 I C = 165n +10
41. Under what circumstances is it moreeconomical to buy your pizza from
A want to buy pizza with 7 or less toppingsB want to buy pizza with 5 or less toppingsC want to buy pizza with 7 or more toppingsD want to buy pizza with 5 or more toppings
The graph shows Mrs. Gaudet’s walk to the post office. On her way home, she stops to talkto a friend.