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2 years ago

Which of the following statements is true for the quadratic equation x2 – 16x + 64 = 0?

Mathematics

2 answers:

Art [367]2 years ago

7 0

Answer:

the equation has one anser

Step-by-step explanation:

irinina [24]2 years ago

6 0

Answer:

Please provide the statements.

Step-by-step explanation:

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Is f(x)=x+3 a constant function?

shusha [124]

Yes it is a constant function

4 0

3 years ago

How can help me with this operation about Pre-Calculus. Simplify

Mrrafil [7]

If we want to compute $f(2+h)$ , we have to substitute every occurrence of $x$ with $2+h$ in the definition of the function:

$f(x)=x^2-11x \implies f(2+h) = (2+h)^2-11(2+h) = 4+4h+h^2-22-11h = h^2-7h-18$

Similarly, computing $f(2)$ means to substitute the input with 2:

$f(x)=x^2-11x \implies f(2) = 2^2-11\cdot 2 = 4-22 = -18$

So, we have

$f(2+h) - f(2) = h^2-7h-18 - (-18) = h^2-7h$

And finally

$\dfrac{f(2+h)-f(2)}{h} = \dfrac{h^2-7h}{h} = h-7$

5 0

2 years ago

TRUE OR FALSE: The solution to the equation 3y – 4 = 6 - 2y is -10.

anygoal [31]

Answer:

false your answer would be 2

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

For a given input value b, the function f outputs a value a to satisfy the following equation. 4a+7b=−52 Write a formula for ) f

Sergio [31]

Answer: Our required formula becomes :

$a=f(b)=-13-\frac{7}{4}b$

Step-by-step explanation:

Since we have given that

$4a+7b=-52\\$

We need to write a formula for f(b) in terms of b So, it becomes

$4a=-52-7b\\\\a=\frac{-52-7b}{4}\\\\a=\frac{-52}{4}-\frac{7b}{4}\\\\a=-13-\frac{7b}{4}$

Hence, our required formula becomes :

$a=f(b)=-13-\frac{7}{4}b$

5 0

3 years ago

Read 2 more answers

According to the Rational Root Theorem, which number is a potential root of f(x) = 9x8 + 9x6 – 12x + 7?

notsponge [240]

Answer-

$\boxed{\boxed{\frac{7}{3}}}$

Solution-

Rational Root Theorem-

$f(x)=a_nx^n+a_{n-1}x^{n-1}+a_{n-2}x^{n-2}+.......+a_1x+a_0\ \ \ and\ a_n\neq 0$

All the potential rational roots are,

$=\pm (\dfrac{\text{factors of}\ a_0}{\text{factors of}\ a_n})$

The given polynomial is,

$f(x) = 9x^8 + 9x^6-12x + 7$

Here,

$a_n=9,\ a_0=7\\\\\text{factors of}\ 9=1,3,9\\\\\text{factors of}\ 7=1,7$

The potential rational roots are,

$=\pm \frac{1}{1},\pm \frac{1}{3}, \pm \frac{1}{9}, \pm \frac{7}{1}, \pm \frac{7}{3}, \pm \frac{7}{9}$

$=\pm 1,\pm \frac{1}{3}, \pm \frac{1}{9}, \pm 7, \pm \frac{7}{3}, \pm \frac{7}{9}$

From, the given options only $\frac{7}{3}$ satisfies.

6 0

2 years ago

Read 2 more answers