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3 years ago

6

What do the solutions of a quadratic equation represent graphically? What is the maximum number of solutions given by solving a

quadratic

1 answer:

Novosadov [1.4K]3 years ago

8 0

Answer:

Parabola

2

Step-by-step explanation:

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Find AB using the segment addition postulate.

Elena-2011 [213]

Answer : AB = 12

Explanation:

2x + 6 + 5x - 3 = 24
7x + 3 = 24
x = 3

AB = 2x + 6 = 2(3) + 6 = 12

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2 years ago

Two poles of lengths 10 ft and 15 ft are set up vertically with bases on horizontal ground 12 ft apart. Find the distance betwee

svp [43]

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The hypotenuse = square root (144 + 25) = 13 ft

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3 years ago

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A store that buys and sells used video games buys a game at a cost of $19 and sells it at a selling price of $23. Find the mar

d1i1m1o1n [39]

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Step-by-step explanation:

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3 years ago

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Show that x + y : x - y= 3 : 2

insens350 [35]

Answer:

x + y : x - y = (5/2+1/2) : (5/2-1/2)

x + y : x - y = 3 : 2

Therefore, x + y : x - y= 3 : 2 is proved.

Step-by-step explanation:

Given

x + y : x - y = 3 : 2

As

$x + y = 3$

$x - y = 2$

Solving to find x and y

$\begin{bmatrix}x+y=3\\ x-y=2\end{bmatrix}$

$x-y=2$

$-$

$\underline{x+y=3}$

$-2y=-1$

$\begin{bmatrix}x+y=3\\ -2y=-1\end{bmatrix}$

solve for y

$-2y=-1$

Divide both sides by 2

$\frac{-2y}{-2}=\frac{-1}{-2}$

$y=\frac{1}{2}$

$\mathrm{For\:}x+y=3\mathrm{\:plug\:in\:}y=\frac{1}{2}$

$x+\frac{1}{2}=3$

$x+\frac{1}{2}-\frac{1}{2}=3-\frac{1}{2}$

$x=\frac{5}{2}$

so

$x=\frac{5}{2},\:y=\frac{1}{2}$

Thus,

x + y : x - y = (5/2+1/2) : (5/2-1/2)

x + y : x - y = 3 : 2

Therefore, x + y : x - y= 3 : 2 is proved.

7 0

3 years ago

How do you answer this question?

stiks02 [169]

You basically plug the values into the equation A=1/2 (L x W)

8 0

3 years ago