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Type the correct answer in the box. Rewrite the quadratic function in the form that best reveals the zeros of the function.

Type The Correct Answer In The Box Rewrite The Quadratic Function In The Form That Best Reveals The Zeros Of The Function class=

Sagot :

Answer:

f(x) = (2x + 3)(2x + 1)

Explanation:

The form that best reveals the zeros of the function is:

f(x) = (x - a)(x - b)

Where a and b are the zeros of the function.

So, we need to apply the distributive property as:

[tex]\begin{gathered} f(x)=2(2x^2+4x)+3 \\ f(x)=2\cdot2x^2+2\cdot4x+3 \\ f(x)=4x^2+8x+3 \end{gathered}[/tex]

Then, we can factorize the quadratic function as:

[tex]f(x)=(2x+3)(2x+1)[/tex]

So, now we can identify the zeros of the function if we solve the following equation:

[tex]\begin{gathered} f(x)=(2x+3)(2x+1)=0 \\ 2x+3=0\rightarrow x=-\frac{3}{2} \\ or \\ 2x+1=0\rightarrow x=-\frac{1}{2} \end{gathered}[/tex]

Therefore, the form that best reveals the zeros in the function is:

f(x) = (2x + 3)(2x + 1)