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emmasim [6.3K]
3 years ago
14

Write a quadratic equation in factored form whose solutions are 7 and -5

Mathematics
2 answers:
inysia [295]3 years ago
7 0

\bf \stackrel{~~ solutions~\hfill }{ \begin{cases} x=7\implies &x-7=0\\ \cline{1-2} x=-5\implies &x+5=0 \end{cases}}\qquad \implies \stackrel{\textit{factored form}}{y=(x-7)(x+5)}

sergey [27]3 years ago
4 0

Answer:

y = (x - 7)(x + 5)

Step-by-step explanation:

Given the solutions are x = 7 and x = - 5 then the factors are

(x - 7) and (x + 5)

The quadratic equation is the product of the factors

(x - 7)(x + 5) = 0 ← in factored form

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What is the perimeter of the triangle shown on the coordinate plane, to the nearest tenth of a unit?
Leno4ka [110]
To calculate the perimeter, consider each side separately.

Right side: This is easiest since it's a vertical line - it's 7 units long.

Top side: If you look carefully, this side is really the hypotenuse of a triangle that is 1 unit tall and 6 units long. Using the Pythagorean Theorem, you can calculate the length of the hypotenuse to be 1^2 + 6^2 = c^2 --> c = 6.1

Left side: just like the top side, this side is the hypotenuse of a triangle that is 6 units tall and 6 units long. Pythagoras again: 6^2 + 6^2 = c^2 --> c = 8.5

Add these three numbers to get the perimeter: 7 + 6.1 + 8.5 = 21.6
3 0
4 years ago
Read 2 more answers
Point F lies between points G and M. GF What is the value of x? 10x +4, FM = 20, and GM = 13x​
egoroff_w [7]

The value of x is 8.

<h3>How to find the value of x?</h3>

Equations are written as two expressions joined by an equal sign. The terms on either side of the equal sign are called the "left side" and "right side" of the expression. It is often assumed that the right side of the equation is zero.

given that Point F lies between points G and M.

GF = 10x +4, FM = 20,GM = 13x.

so now GM = GF + FM

3x =( 10x + 4) + 20

13x = 10x + 24

13x - 10x = 24

3x = 24

x = 24/3

x = 8

so, the value of x is 8.

now check if it is wrong or correct

13(8) = 10(8) + 4 + 24

104 = 80 + 28

104 = 104

Learn more about equations, refer

brainly.com/question/13965302

#SPJ9

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2 years ago
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Mrac [35]

Answer:

i think it would be sprint cause it is lest money and the mintues is 450 but the other is just 50 more mintues and you have to pay 22 more dollor for verizion  so i pick sprint have a nice day

Step-by-step explanation:

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It is 900,000 it is in the hundreds thousandths place.
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How do you work 85 - 10 ÷ 2 + 3
nata0808 [166]
The answer is 83. First divide 10 by 2, which is 5 for a remaining 85-5+3. 85 - 5 is 80 and 80 + 3 is 83.
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3 years ago
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