Quiz about STAAR Ready BellRinger9

Question 1

For quadratic function $$f$$ , the solutions to the equation $$f\left(x\right)=0$$ are $$x=\frac{1}{2}\ and\ x=3$$ . Which function could represent $$f$$ ?

Accepted Answer

$$f\left(x\right)=2x^2-7x+3$$

Answer

$$f\left(x\right)=2x^2+7x+3$$

Answer

$$f\left(x\right)=3x^2+7x+2$$

Answer

$$f\left(x\right)=3x^2-7x+2$$

Question 2

What are the factors of $$2x^2-5x-3$$ ?

Select TWO correct answers

Accepted Answer

(2x + 1)

Accepted Answer

(x - 3)

Answer

(x + 3)

Answer

(2x - 1)

Answer

(2x - 3)

Question 3

The local gym currently has 100 members. The membership enrollment is increasing at a rate of 8.5% per year. Which function can be used to model the this relationship?

Accepted Answer

$$f\left(x\right)=100\left(1.085\right)^x$$

Answer

$$f\left(x\right)=100\left(8.5\right)^x$$

Answer

$$f\left(x\right)=8.5\left(100\right)^x$$

Answer

$$f\left(x\right)=100\left(.085\right)^x$$

Question 4

As the number of ice cream sales increase, there is an increase in the number of forest fires. This statement shows an example of?

Accepted Answer

Association only

Answer

Causation Only

Answer

Both Association and Causation

Answer

Neither Association or Causation

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