Cycle 2 Make-up 1

What is the equation of the line passing through points (1,1) and (3,-5).

• y = -3x + 4
• y = 3x - 4 
• y = -3x - 4 
• y = 3x + 4

The y-intercept is ​ (a)  

• -3
• 0
• 3
• -2
• -4

Paul the plumber charges $25 for a service call.  He then charges $100 an hour.  What is the slope?

Mathematical Equivalence

ON

Write the linear inequality in standard form for this situation: The CRHS science department can spend no more than $2700 on textbooks this year. The department needs to buy both Biology text books, which cost $57 each, and Chemistry textbooks, which cost $72 each.

• 57x + 72y ≥ 2700
• 57x + 72y > 2700
• 57x + 72y < 2700
• 57x + 72y ≤ 2700

• A

• B

• C

• D

• A

• B

• C

• D

Solve:
7(x + 3) < 5x + 13

• x>-4
• x < 17
• x<-4
• x > -17

Solve:
6x+10>5x-12

• x>2
• x<2
• x<-22
• x>-22

What is the x-value of the solution to the system below?
 
5x + 4y= −14
y =  −7x  −  15 

Mathematical Equivalence

ON

What is the y-value of the solution to the system below?

y=3x+14

y=-4x

Mathematical Equivalence

ON