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Citrus2011 [14]
3 years ago
8

Help what’s the rule

Mathematics
1 answer:
solong [7]3 years ago
5 0
Doubling or quadruple
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Consider the function f(x)= (x+4)(x-2) what is the equation of the axis of symmetry
almond37 [142]

if we zero out f(x), namely make y = 0, we can get the roots or x-intercepts for this quadratic equation

\bf 0 = (x+4)(x-2)\implies \begin{cases} 0=x+4\implies &-4=x\\ 0=x-2\implies &2=x \end{cases}

now, the equation is in x-terms, meaning is a vertically opening parabola, so the axis of symmetry will be x = something, a vertical line.

well, we have two x-intercepts, one at -4 and another at 2, and the vertex is right half-way between those guys

-4------------(-1)------------2

so the vertex is at x=-1, namely the axis of symmetry is x = -1.

8 0
3 years ago
The graph represents a functional relationship. On a coordinate plane, a straight line with a negative slope begins at point (1,
Zepler [3.9K]
Letra A) bons estudos
7 0
3 years ago
Can someone help with problems fivethroughseven
frutty [35]

Answer:

5) 15120

6) 11880

7) 336

Step-by-step explanation:

The formula for permutation where mPn is m!/(m-n)!

Applying this to question 5, we get 9!/4!, which is 15120.

For question 6, we get 12!/8!, which is 11880.

For question 7, we get 8!/5!, which is 336.

5 0
2 years ago
Estimate each quotient. show your work. 165÷4​
Serggg [28]

Answer: 41 1/4

Step-by-step explanation: 160/4=40

5/4= 1 1/4

LIKE IF CORRECT

3 0
3 years ago
Read 2 more answers
I’m confused on this one
Lorico [155]
The question is asking which of the following does not have side that are parallel. So which of them have lines that would never touch if they were never ending lines.
4 0
3 years ago
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