Midterm Review 2 2022

The first error made in the simplification of the expression shown above was made by

• Robert in Step 1

• Jacob in Step 2

• Robert in Step 2

• Jacob in Step 2

Nathan completed a 5 km run on his first day of training for a cross-country race. He increased the length of his next training runs by 1.5 km each time.

Which of the following equations could be used to determine the distance (d) that Nathan ran on each training run (r)?

• d = 1.5r

• d = 5r

• d = 1.5 + 3.5r

• d = 3.5 + 1.5r

The relationship between two variables is given in the equation 35 + 15n = A.

Which of the following situations could be represented using the equation above?

• The price of a caterer for a party is $35 for each dinner ordered and $15 for each dessert ordered.

• The bill for framing a painting is $35 for each square metre of glass required and $15 for the wooden frame.

• The fee for a computer consultant is $15 for an administrations charge and $35 for each hour worked.

• The cost of silk screening a design on T-shirts is $15 for each shirt created and a $35 design fee.

The line created by the relation y = 5 - x will intersect the line shown on the graph above at

• ( 0 , 5 )

• ( 5 , 0 )

• ( 2 , 3 )

• ( 3 , 2)

The equation representing the linear relation on the graph shown above is

• y = 0.5x + 2

• y = 0.5x - 2

• y = 2x + 4

• y = 2x - 4

Which student correctly simplified the expression?

• Student 1

• Student 2

• Student 3

• Student 4

Alice works 8 hours a day as a waitress in a restaurant. She earns $12.50 an hour plus money received from tips, t.

Which of the following equations represents Alice's total earnings, E, for one day of work?

• E = 8(12.50) + t

• E = 8(12.50 + t)

• E = 8t +12.50

• E = 8 + 12.50t

The graphs of the relations 3x + y = 17 and y = x + 1 intersect at the point with the coordinates

• (0 , 1)

• (3 , 8)

• (4, 5)

• (5, 4)

David creates the table of values shown above based on designs he assembles using black and white 2-D shapes.

Which of the following equations represents the linear relationship between the number of black shapes and the number of white shapes?

• 5b - 3 = w

• 4b - 1 = w

• 3b + 1 = w

• 2b + 3 = w

Carly drew a design on the Cartesian plane shown above.

Which of the following equations describes line segment AB on the Cartesian plan shown above?

• y = -3

• y = 3

• x = -3

• x = 3