All categories

2 years ago

Which equation is the inverse of y=100-x2

Mathematics

2 answers:

fenix001 [56]2 years ago

7 0

Answer:

x= ±sqrt/100-y

Step-by-step explanation:

y-100= -x^2

-y+100= x^2

100-y=x^2

±sqrt/100-y=x

So the answer is-

x= ±sqrt/100-y

postnew [5]2 years ago

4 0

Answer:

f^-1(x)=100-x

Step-by-step explanation:

You might be interested in

Solve y over negative 2 5 = 13.

devlian [24]

Y/-2 + 5 = 13
y/-2 = 13 - 5 = 8
y = -2(8) = -16
y = -16

8 0

2 years ago

Read 2 more answers

The circumference of a circle is 18.84 inches. what is the circle's radius

vivado [14]

Answer:

Circumference : 18.84 inches

Radius: 3 inches

6 0

2 years ago

What is the solution of √x-5 = x-11

PIT_PIT [208]

Hey!

To solve x in this equation we must first add five to both sides to get $\sqrt{x}$ on its own.

Original Equation :
$\sqrt{x} - 5 = x - 11$

New Equation {Added 5 to Both Sides} :
$\sqrt{x} =x-6$

Now we must square both sides of the equation.

Old Equation :
$\sqrt{x} =x-6$

New Equation {Changed by Squaring Both Sides} :
$x= x^{2} -12x+36$

And now we must solve the new equation.

Step 1 - Switch sides
$x^{2} -12x+36=x$

Step 2 - Subtract x from both sides
$x^{2} -12x+36-x=x-x$

Step 3 - Simplify
$x^{2} -13x+36=0$

Now we need to solve the rest of the equation using the quadratic formula.

$\frac{-(-13)+ \sqrt{(-13) ^{2}-4*1*36 } }{2*1}$

${13+ \sqrt{(-13)^{2}-4*1*36 }=13+ \sqrt{25}$

$\frac{13+ \sqrt{25}}{2}$

$\sqrt{25}=5$

$\frac{13+5}{2}$

$\frac{18}{2}$

9

$\frac{-(-13)- \sqrt{(-13) ^{2} -4*1*36} }{2*1}$

4

So, this means that in the equation $\sqrt{x} -5=x-11$ , x = 9 and x = 4.

Hope this helps!

- Lindsey Frazier ♥

4 0

2 years ago

What is the equation of this graph? Will give brainliest!

Scilla [17]

...........................