3 years ago

Axis of symmetry for f(x) = -2x2 + 20x -42

2 answers:

8 0

For the function $f(x)=2x^2 +20x-42$

We can use the formula for the axis of symetry, which is $x= \frac{-b}{2a}$

With the values substituted, we get...

$\frac{-20}{2(-2)} =5$

Therefore the axis of symmetry is $x=5$

charle [14.2K]3 years ago

4 0

Answer: X=5

Step-by-step explanation:

i took the test on FLVS

You might be interested in

Which of the following statements are true about the lengths of the trails? Check all that apply.

SVEN [57.7K]

Where are the options?

3 0

2 years ago

Kay scored above 90% on five of her math quizzes, 80% to 90% on fourteen of them, and 70% to 80% on two of them. What is the exp

Leya [2.2K]

In total, Kay took 5+14+2=21exams. she got 80%-90% on 14 of them. the probably is 14/21 which is 2/3. Therefore, the probability of Kay getting 80%-90% on her next exam is 2/3 or 66.6%

3 0

3 years ago

<img src="https://tex.z-dn.net/?f=%5Csqrt%7B2%7D%20%5Cfrac%7B7%7D%7B8%7D" id="TexFormula1" title="\sqrt{2} \frac{7}{8}" alt="\sq

quester [9]

Answer:

$\sqrt{2\frac{7}{8} } =\\\sqrt{\frac{25}{8} } =\\\sqrt{\frac{25*2}{16} } =$