MLS - Linear Modelling/ Perpendicular & Parallel / Simultaneous

Multiple Choice

Where do these two lines intersect?

• No solution

• (-2, 3)

• (3, -2)

• (2, 3)

Multiple Choice

What is the solution?

• No solution
• (0, 2)
• (0, -4)
• (3, -3)

Multiple Choice

What is the solution?

• (6, 3)
• (3, 6)
• (-6, 3)
• No solution

Multiple Choice

What is the solution to the system of equations?

• (5, 2)

• (2, 5)

• (-5, 2)

• (-2, -5)

Multiple Choice

Christian had brochures printed for a new business venture. Christian originally ordered 4 boxes of black-and-white brochures and 3 boxes of colour brochures, which cost a total of $134. After those ran out, Christian spent $120 on 3 boxes of black-and-white brochures and 3 boxes of colour brochures. Which simultaneous equations represent this situation?

• x+y=134

  x+y=120

• 3x+3y=134

  4x+3y=120

• 4x+3y=134

  3x+3y=120

• 7xy=134

  6xy=120

Multiple Choice

A 7-inch candle burns at a rate of 2-inches per hour. Which equation represents the relationship between y, the height of the candle in inches, and x, the number of hours the candle burns?

• y=2x+7

• y=-2x+7

• y=2-7x

• y=7x+2

Multiple Choice

d=125 + 80n models the amount of money (d) in the register after selling n tickets. How much money does she have in the register before selling any tickets? 

• $125
• $80
• $205
• $45

Multiple Choice

Which equation represents the total cost of a repair by an electrician after x hours?
An electrician charges $90 per hour plus a $50 travelling fee.

• y = 50 - 90x
• y = 90x + 50
• y = -50x + 90
• y = -90 - 50x

Multiple Choice

Point-Slope Form:
Write the equation of the line through (8, 11) and (5, -1) in point-slope form.

• y+1=4(x-5)
• y-1=4(x-5)
• y=4x-21
• y=4x-19

Multiple Choice

Graph 2x - y = 4

• A

• B

• C

• D

Multiple Choice

How do you change

y-4=3(x+3) into slope-intercept form?

• y=23x-1/23

• y=3x+13

• y-7x=9

• y=13-3x

Multiple Choice

Given the following table, write the linear equation.

• y = 9x + 3

• y = 3x + 12

• y = 3x + 9

• y = 1x + 12

Multiple Choice

Find the slope of the line.

• Undefined
• 0
• 1
• -1

Multiple Choice

What slope is perpendicular to:  
m = 5/8

• -5/8
• 5/8
• -8/5
• 8/5

​Opposite, Reciprocal

​(change the sign), (flip the fraction)

Multiple Choice

Are the lines parallel, perpendicular, or neither?
y = 3x – 7
y = 3x + 1

• Parallel
• Perpendicular 
• Neither

Different y-intercepts!

Multiple Choice

Are the equations parallel, perpendicular, or neither?

• Parallel
• Perpendicular
• Neither

Multiple Choice

Are these lines parallel, perpendicular, or neither?

• parallel

• perpendicular

• neither

Multiple Choice

Are the equations parallel, perpendicular, or neither?

• Parallel
• Perpendicular
• Neither

Multiple Choice

Are the equations parallel, perpendicular, or neither?

• Parallel
• Perpendicular
• Neither