Linear Functions

Determine whether y varies directly with x?
4y-x=16

• Yes
• No

Determine whether y varies directly with x?
4y-7x=0

• Yes
• No

What is the equation of the line in point-slope form?
(-4,2) and (-3,5)

• y-2=3(x+4)
• y-2=3(x+3)
• y-5=3(x+4)
• y-5=3(x+2)

What is the slope of the following line:
4x=2+y

• 4
• -4
• 2
• -2

Find the x- and y- intercepts of the line.
y=7x+5

• (-5, 0), (0, 5/7)
• (-5/7, 0), (0,5)
• (5,0), (0,-5/7)
• (5/7, 0), (0, -5)

What is the slope of the following line:
2x-y=9

• -9
• 9
• -2
• 2

Determine whether the relation is a function.

• Yes
• No

Determine whether the relation is a function?

• Yes
• No

The cost of Nate’s service is described by y = 4x + 6. The table shows the cost of Beth’s service. Find the equation for Beth's service.  Which service is cheaper for 8 movies in one month?

• Beth's service ($38 vs. $40) is cheaper
• Nate’s service ($42 vs. $44) is cheaper
• Nate’s service ($38 vs. $40) is cheaper
• Beth's service ($42 vs. $44) is cheaper

Tags

CCSS.HSF.IF.C.9

CCSS.8.F.A.2

Which panda will weigh more at 5 weeks?

• Mochi
• Kappa
• Po the dragon warrior
• Jack Black

Tags

TEKS.MATH.AR.3A