Question

What are the zeros of the function y=2x^2+9x+4?

Answer 1

Answer: OPTION A

Step-by-step explanation:

To find the zeros of the quadratic equation given in the exercise, you need to apply the proccedure shown below:

- You must rewrite it as following:

$2x^2+9x+4=0$

-You can apply the Quadratic formula, which is shown below:

$x=\frac{-b\±\sqrt{b^2-4c}}{2a}$

In this case:

$a=2\\b=9\\c=4$

- Therefore, when you substitute values, you obtain:

$x=\frac{-9\±\sqrt{(9)^2-4(2)(4)}}{2(2)}$

$x_1=-4\\\\x_2=-\frac{1}{2}$

Answer 2

Answer:

A

Step-by-step explanation:

See attached photo for explanation