Algebra EOC Function Review

Solve for x and y
3x + 2y = 16
7x + y = 19

• (-2,5)

• (-2,-5)

• (2,-5)

• (2,5)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Christian had brochures printed for a new business venture. Christian originally ordered 4 boxes of black-and-white brochures and 3 boxes of color 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 color brochures. Which system represents this situation?

• x+y=134
  x+y=120

• 3x+3y=134
  4x+3y=120

• 4x+3y=134
  3x+3y=120

• 7xy=134
  6xy=120

Tags

CCSS.HSA.CED.A.3

Solve the following system using substitution.

• (10,8) and (-8, -10)

• no solution

• (-8, -6) and (6,8)

• (6, 8) and (8, 10)

Tags

CCSS.HSA.REI.C.7

x² - y = -2
-x + y = 4

• (-2, 2), (1, 5)

• (2, -1)

• (2, 6), (-1, 3)

• (0, 4), (3, 7)

Tags

CCSS.HSA.REI.C.7

Solve for x. 
z = xy

• x = z/y

• x = y/z

• x = yz

• y = xz

Tags

CCSS.HSA.CED.A.4

Find the Error
What error did the student make when solving the equation:
1/5x + 6 = 3/5x + 5
1x + 6 = 3x + 5
-2x + 6 = 5
-2x = -1
x = 1/2

• The student found an incorrect common denominator

• The student did not multiply all terms by the common denominator

• The student did not use opposite operations appropriately

• The student did not correctly eliminate the variable from one side of the equation

Solve for y:
-5y +7p = 35r - 40v+ 7p

• -7r + 8v

• -7r -8v

• 7r + 8v

• 40r + 45v

Tags

CCSS.HSA.REI.B.3

Is the table linear or nonlinear?

• Linear

• Nonlinear

Tags

CCSS.8.F.A.3

Which of the following situations does not lead to a system having no solution?

• All the variables cancel out and you are left with a false statement like 4 = 7.

• All the variables cancel out and you are left with a statement that is always true such as 3=3.

• When you solve for a variable, all possible solutions are imaginary numbers.

• All systems of equations have at least one solution.

Tags

CCSS.8.EE.C.8B

The graph of f(x)= x² was transformed to create the graph of g(x) = (x - 7.5)². Which of these describes the transformation?

• A horizontal shift to the right 7.5 units

• A horizontal shift to the left 7.5 units

• A vertical shift down 56.25 units

• A vertical shift up 56.25 units