Quiz about Graph & Match DT

Question 1

Which expression is equivalent to $$\left(10+7r-r^2\right)+\left(-6r^2-18+5r\right)$$ ?

Accepted Answer

$$-7r^2+12r-8$$

Answer

$$-7r^2+2r+8$$

Answer

$$7r^2+12r+8$$

Answer

$$7r^2+2r-8$$

Question 2

Which function is equivalent to $$f\left(x\right)=-4\left(x+7\right)^2-6$$ ?

Accepted Answer

$$f\left(x\right)=-4x^2-56x-202$$

Answer

$$f\left(x\right)=-4x^2+14x+43$$

Answer

$$f\left(x\right)=-4x^2-56x-172$$

Answer

$$f\left(x\right)=-4x^2+190$$

Question 3

Which expressions are equivalent to $$m^2-13m-30$$ ? Select TWO correct answers.

Accepted Answer

$$\left(m-15\right)\left(m+2\right)$$

Accepted Answer

$$m^2+2m-15m-30$$

Answer

$$\left(m-10\right)\left(m-3\right)$$

Answer

$$\left(m+15\right)\left(m-2\right)$$

Question 4

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

Accepted Answer

$$f\left(x\right)=-x^2-3x+4$$

Answer

$$f\left(x\right)=x^2+3x-4$$

Answer

$$f\left(x\right)=x^2-3x-4$$

Answer

$$f\left(x\right)=-x^2+3x+4$$

Question 5

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

Accepted Answer

$$h\left(x\right)=x^2-6x$$

Answer

$$h\left(x\right)=x^2-3x-9$$

Answer

$$h\left(x\right)=x^2+3x-9$$

Answer

$$h\left(x\right)=x^2+6x$$

Question 6

Which expression is equivalent to $$2x^2+7x+4$$ ?

Accepted Answer

None of these

Answer

$$\left(2x-1\right)\left(x+4\right)$$

Answer

$$\left(2x+1\right)\left(x-4\right)$$

Answer

$$\left(2x+1\right)\left(x+4\right)$$

Question 7

Which graph best represents $$f\left(x\right)=2\left(5\right)^x$$ ?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 8

Which function is equivalent to $$q\left(x\right)=9x^2-24x+16$$

Accepted Answer

$$q\left(x\right)=\left(3x-4\right)^2$$

Answer

$$q\left(x\right)=\left(9x-4\right)\left(x-4\right)$$

Answer

$$q\left(x\right)=\left(3x+4\right)^2$$

Answer

$$q\left(x\right)=\left(9x+4\right)\left(x+4\right)$$

Graph & Match DT