Algebra Finals

Solve
8x + y = -16
-3x + y = -5

• (-1,-8)

• (-2, 0)

• (1, -24)

• (2,1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

This is the formula to determine my profits for my snail slime business. y=5x-50 How much do I need to sell to make a $40 profit. (y = profit, x = 1in³ of slime)

• 8in³

• 12in³

• 18in³

• 22in³

Tags

CCSS.HSF.LE.B.5

This is the formula to determine my profits for my snail slime business.  y=5x-50  What would my slope be if I graphed this line? 

• 5

• 50

• -50

• x

Tags

CCSS.HSF.LE.B.5

Which identifies a slope?

• Run over Rise

• Δy/Δm

• Change in y over change in x

• Where the line crosses y axis

Tags

CCSS.8.EE.B.5

Graph the solution to the system. The first equation has been plotted for you.

y = -3x-3

y= 4x +4

Tags

CCSS.8.EE.C.8B

What is the value of y in the solution to this system of equations? 3x - 5y = 22 y = -5x + 32

Mathematical Equivalence

ON

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which number goes in the blue square?

• 3

• 5

• 7

• 8

Which number goes in the red square?

• 3

• 5

• 7

• 8

Tags

CCSS.HSA.REI.C.7

Which is a factor for the following trinomial?
x²-13x+12

• (x+12)
  

• (x-12)

• (x+2)

• (x-3)

Which is a factor for the following trinomial?
x²+8x+12

• (x+12)

• (x-12)

• (x+2)

• (x-3)