Algebra STAAR

• −9

• −3

• −1

• −6

Tags

CCSS.7.EE.B.4A

An exponential function has these characteristics:

- The y-intercept is 2

- The function increases at a rate of 50%.

Which graph best represents this function?

• A

• B

• C

• D

Tags

CCSS.HSF-IF.C.7E

The graph shows point W and line p. Which equation best represents the point-slope form of the line that passes through point W and is parallel to line p?

• y - 5 = -4/5(x - 1)

• y - 5 = 4/5(x - 1)

• y - 5 = -5/4(x - 1)

• y - 5 = 5/4(x - 1)

If f(x) = x² and g(x) = f(x + 7.2) , what is the vertex of the graph of g?

• (7.2, 0)

• (-7.2, 0)

• (0, 7.2)

• (0, -7.2)

What are the solutions to the equation 5(x + 3)² = 75?

• -3/5 ± √15

• -3/5 ± √3

• -3 ± √3

• -3 ± √15

Tags

CCSS.HSA-REI.B.4B

A part of quadratic function g is graphed on the grid. What is the domain of the part of the function shown?

• All real numbers greater than or equal to -4 and less than or equal to 5

• All real numbers greater than or equal to -1 and less than or equal to 3

• All real numbers greater than or equal to -6 and less than or equal to 6

• All real numbers greater than or equal to -2 and less than or equal to 3

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

• (2x+3)

• (x-5)

• (x+5)

• (3x-2)

• (3x+2)

• (2x-3)

Tags

CCSS.HSA.APR.B.3

A triangle has sides whose lengths in units are represented by polynomials as shown, where x is a positive integer. Which expression represents the perimeter of the triangle in units?

• 15/2 x

• 47/6 x

• 13/2 x + 1

• 13/2 x + 4/3

Tags

CCSS.HSA.APR.A.1

The total cost, y, for x tickets to a concert includes a flat fee for processing and a cost per ticket. One customer purchased 4 tickets for a total cost of $160. Another customer purchased 8 tickets for a total cost of $300.

Which linear equation represents the total cost in dollars, y, for x tickets?

• y = 40x

• y = 37.5x

• y = 35x + 20

• y = 20x + 35

Tags

CCSS.8.EE.C.8C

Line n is shown on the coordinate grid. The table of ordered pairs represents some points on line p. Which system of equations represents line n and line p?

• 3x - y = 2

  2x + y = 4

• 3x + y = -2

  2x + y = 4

• 3x - y = 2

  x + 2y = 4

• 3x + y = -2

  x + 2y = 4

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6