Feb16th Test Review

Which expression is the factored expression of 6n²+5n -6?

(a)  

• (2n+3)(3n-2)
• (2n-3)(3n+2)

• (3n+2)(2n-3)

• (3n-2)(2n+3)

Which expression is the factored expression of 4n²-17n+4?

(a)  

• (n-4)(4n-1)
• (n+4)(4n+1)

• (n-4)(n-1/4)

• (n+4)(n+1/4)

Which expression is a factor of 30x²-4x-16?

• 5x+4

• 3x-2

• 5x-4

• 3x-4

Which quadratic function in vertex form can be represented by the graph that has a vertex at (1,46) and passes through the point (3,10)?

• y=9(x-3)²+10

• y=9(x-1)²+46

• y=-9(x-3)²+10

• y=-9(x-1)²+46

Which function is equivalent to y=3(x+2)²+7?

• y=3x²+12x+33

• y=3x²+12x+19

• y=3x²+19

• y=3x²+33

Which quadratic function in vertex form can be represented by the graph that has a vertex at (3,-7) and passes through the point (1,-10)?

• y=3/4(x+3)²+7

• y=-3/4(x+3)²-7

• y=3/4(x-3)²+7

• y=-3/4(x-3)²-7

The graph of quadratic function h is shown. Which function best represents h?

• h(x)=x²+2x-3

• h(x)=x²-2x-3

• h(x)=x²+4x-3

• h(x)=x²-4x+3

The solution to p(x)=0 are x=-7 and x=7. Which quadratic function could represent p?

• p(x)=x²-49

• 
  p(x)=x²+49

• 
  p(x)=x²-14

• 
  p(x)=x²+14

The graph of a quadratic function is shown on the grid. Which function is best represented by this graph?

• f(x)=-1/2x²+16

• f(x)=-x²+16

• f(x)=-1/2x²+8

• f(x)=-x²+8

The graph of a quadratic function is shown. Which values best represent the zeros of the function? Select TWO correct answers.

• x=1

• x=-4

• x=-1

• x=3

• x=-3