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Question # 1
The Knights Banquet Hall uses the equation
25n – C + 1250 = 0 to determine the cost for a hall rental.
a) Express the equation in y = mx + b form.
b) Identify the fixed and variable costs for the banquet hall.
c) What is the cost for 45 people?
Question # 2
Find the equation of a line perpendicular to
2x + 5y – 20 = 0and has the same x-intercept as
y = 4x - 3
Question # 3
A baseball diamond is a square with sides that measure about 27 m. How far does the second-base player have to throw a ball to get a runner out at home plate?Round your answer to the nearest metre.
Question # 4
Write an equation to model the following table:
Time (h) Distance (m)
3 70
4 90
6 130
8 170
Question # 5
Find the area of the following shape. Round to one decimal place.
5 cm
8 cm
Find the perimeter of the shape.
Question # 6
Simplify the following expression:
4(3x – 4) – 4(2x – 4)
Question # 7
A cone just fits inside a cylinder. The volume of the cylinder is 9425 cm3. What is the surface area of this cone, to the nearest square centimetre?
20 cm
Question # 8
Sally is buying a pair of jeans. The original price is $59.99. They are on sale for 25% off. Calculate the final price including GST(5%) and PST (8%).
Question # 9
The diameter of Mars is 6800 km. Calculate its surface area. Give your answer in Scientific Notation.
Question # 10
Find the equation of the line that passes through the points:
A(4, 8) and B(7, 2)
Question # 11A weather balloon recorded the air temperature at various altitudes.
Describe the relation and state, if any, they type of correlation.
Altitude (m) 500 800 1000 1500 1700 2100
Temperature (°C) 16.2 14.5 13.1 11.2 9.8 8.1
Question # 12
Calculate:
43
54
107
Question # 13
Simplify. Give your answers as a positive exponent.
)(
)(23
32323
yx
yxyx
Question # 14
Simplify the following expression:
4x(4x – 2) – 3x( -3 – 7x)
Question # 15
Solve for x.
)1(41
)1(21
xx
Question # 16
Which of the following is linear?A B
Time Distance
-4 112 138 1514 17
TimeDistance-3 -2-7 1
-11 4-14 7
Question # 17
Solve for y.
4
2
3
7
yy
Question # 18
Determine the dimensions of a cylinder that would have a maximum volume for a surface area of 3942.39 cm2.
Question # 19
Find the measure of angles x, y and z.
80°
40°
x
y z
Question # 20
Find the size of each unknown angle.
3x + 20 10x - 13
30°
?
Question # 21
Find the x and y intercepts of the following equation:
5x – 3y – 15 = 0