Mathematics 9 Midterm Review Package

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1 NON CALCULATOR SECTION (Formulas at end of exam ) Name: 1. Evaluate: = -. B Evaluate: + = -/1 B. /10 -/10 /1. Estimate: = - B Evaluate: -/ x -/ = B.. Convert to an improper fraction: - = 1 B Evaluate: 1 1 = B Estimate the value of 18 to one decimal place..0 B What is the value of 0.0? 0.00 B Which symbol will make the inequality true? > B. < = 10. List the following fractions in order from least to greatest:,, 8 8,, B.,, 8, 8,,, Evaluate: - B Simplify: ( x x) 10 B END OF NON-CALCULATOR SECTION CALCULATOR SECTION (Formulas at end of exam )

2 The number -. would be between which of pair of points on the number line above? A and B B. B and C C and D D and E. Evaluate: + 1 x = 0 B Evaluate: B Evaluate: + 1 B Evaluate to decimal places:. 9. (1. 8.8) 0. B Which of the following has the greatest value? x B. x ( ) + 1 x + (8 + x ). Which number is between. and.?.8 B Consider the following list of numbers: What is the largest number on the list?,,,, 8 B One day, the temperature increased from -10. C to. C in hours. What was the temperature change per hour?. C/hr B.. C/hr -. C/hr -. C/hr 10. Determine the side length of a square with an area of 0.09 cm. cm B. 0. cm 0.0 cm cm 11. Evaluate: 1 B Evaluate: (-) -9 B. - 9 Page

3 1. Evaluate: B Evaluate: (- + x ) 0 - B Simplify: x 9 B Simplify: 1 8 B Simplify: x x B Simplify: ( ) 1 B. 9 9 / / 19. Simplify: (x y )(xy) 1 1x y B. 0. Simplify: 0( ) ( ) 8 ( ) 1x y 8x y 1x y 8 1 B. 1 ( ) ( ) 1( ) 1. If a colony of 1000 bacteria doubles in size every hours, what is the size of the colony after 1 hours? 1000 B When an object is falling, the relationship between the distance (d) travelled and time (t) is 1 given by: d = 9.8t Where t is in seconds and d is in metres. How far does an object fall in seconds? 8.m B. 11.m 1.8 m 8.1 m. In the term s t, the number t is best described as being the: coefficient B. constant power variable. What is the degree of the polynomial x + x? 1 B.. Which of the following is a simplified trinomial? xy B. xx yy + xx x + x x+ y+ Page

4 . When the following model is simplified, the expression is (shaded are positive): x + x + B. x + x x +x 1 -x x. What is the opposite expression for: -a a + a a + B. -a a a + a a + a + 8. What is the coefficient of the x term? -x y + x 9x y 8x? 1 B. 9. How many of the given statements are true for the polynomial: x y + x +? It has terms The largest coefficient is Its degree is It does not have any like terms 1 B. all are correct 0. Simplify: (x x 1) - (-x + x + 1) 9x 1x + 8 B. 9 x 1x x x 9x 1x 1. Simplify: -(x x + ) -10x + 1 B. 10x x x - 1 x + 1. Simplify: (x ) ( x) x + B. -9x + 9x x. Find an expression for the length of the missing side of the triangle, given that the perimeter is b 8? b 1 B. 9b 8 9b b 8 1x + 8xy. Simplify: x -x + 8y B. -1xy -x + y x + y. Determine an expression for the area of a square with side length of xy. xy B. x y 8x y 1x y xy Page

5 . Find an expression for the unknown dimension of the rectangle? 1x +.1x B. x +.1 x +.1x 1x +.1 Area = 18x + 9.x? x. Pictured right is a very tiny glass aquarium tank, what is the total exterior surface area of the tank, including the top and bottom. cm B. 0 cm 11 cm 0 cm Formulas 8. Determine the SA of the composite shape (include bottom): 1 mm B. 90 mm 98 mm,00 mm Area of a circle AA = ππrr Area of a rectangle AA = bbh Area of a parallelogram AA = bbh Area of a trapezoid 1 A = ( b1 + b )h Area of a triangle 1 A = bh Area of a Square AA = ss Surface area of a cylinder SA = πr + πrh Pythagorean Theorem b a + = c Page

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