3 years ago

Find the term that must be added to the equation x^2- 8x = 3 to make it into a perfect square.

Mathematics

1 answer:

Roman55 [17]3 years ago

3 0

It’s 64x2 because when u do the exponent of the x u will get that answer

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{c(1) = 3/16<br> {c(n)=c(n−1)⋅4<br> <br><br> what is the 3rd term in this sequence?

mote1985 [20]

Answer:

$\large\boxed{c(3)=3}$

Step-by-step explanation:

$\left\{\begin{array}{ccc}c(1)=\dfrac{3}{16}\\\\c(n)=c(n-1)\cdot 4\end{array}\right$

Put n = 2 and next n = 3 to the recursive formula:

$c(2)=c(2-1)\cdot4=c(1)\cdot4\to c(2)=\dfrac{3}{16}\cdot4=\dfrac{3}{4}\\\\c(3)=c(3-1)\cdot4=c(2)\cdot4\to c(3)=\dfrac{3}{4}\cdot4=3$

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3 years ago

Suppose a parabola has an axis of symmetry at x = -8 , a maximum height of 2, and passes through the point (-7, -1). Write the e

lidiya [134]

As it has a maximum value the coefficient of x^2 will be negative

The vertex will be at (-8,2) so in vertex form it is

y = a(x + 8)^2 + 2
and as it passes through (-7,-1) we have:

-1 = a(-7+8)^2 + 2

-1 = a + 2 so a = -3

answer is y = -3(x + 8)^2 + 2

in standard form this is y = -3x^2 -48x - 190

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3 years ago

Find the sum of (x²+3xy+y²)+(x³+3x²y+2xy²+y³)

victus00 [196]

X
3
+
3
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2
y
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2
x
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5 0

3 years ago

-4b - 5 + 2b =10. Can I have some help solving this.

kramer

Answer:

-7.5

Step-by-step explanation:

Simplify

-4b - 5 + 2b = 10

-2b - 5 = 10

-2b = 15

b = -7.5

5 0

3 years ago

Read 2 more answers

Can you guys help me

vlada-n [284]

The answer is a have a great day/night !

5 0

2 years ago