2 years ago

Rewrite this slope-intercept form equation in standard form

Mathematics

1 answer:

andre [41]2 years ago

5 0

The answer would be C. 3x + y = 5

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If (-1,4) and (3,-2) are end points of diameter of the circle, then the equation of the circle is

Volgvan

Answer:

If you've more doubts you can ask :)

Step-by-step explanation:

If the centre of a circle is (a, b) and radius r, then the equation of the circle is :

$(x - x)^2 + (y-b)^2 = r^2$

First we will find the centre, (a , b):

$a = \frac{3+(-1)}{2} = \frac{2}{2} = 1\\\\b = \frac{-2 + 4}{2} = \frac{2}{2} = 1$

Find radius:

$Radius, r = \frac{Diameter}{2}$

Diameter is the distance between (-1, 4) and (3, -2)

$diameter = \sqrt{(x_2 - x_1)^2 +(y_2-y_1)^2} \\\\$

$= \sqrt{(3-(-1)^2 + (-2-4)^2} \\\\=\sqrt{16 + 36}\\\\=\sqrt{52}\\\\=\sqrt{4 \times 13}\\\\=2\sqrt{13} \ units$

Therefore , $r = \frac{2 \times \sqrt{13} }{2} = \sqrt{13} \ units$

Equation of the circle is :

$(x - 1)^2 +(y-1)^2 = 13$

4 0

3 years ago

How to solve 5 + 5 x 5 -5 ÷ 5

blagie [28]

Answer:

= 5+5x5-25

=5+25 -25

=30-25

7 0

3 years ago

What is the value of 6x squared+ 4x + 8 when x=7? Please answer this I really need help!

stealth61 [152]

Let’s write it simply, that helps us solve it easier.
6x^2+4x+8
Now, insert 7 in place of x.
6(7)^2+4(7)+8
Now, multiply.
42^2+28+8
Solve for exponents.
1,764+28+8
Add.
1,792+8
1,800
Hope this helps!

3 0

3 years ago

Which expression is equivalent to 6/12 divided by 2/3

Ivanshal [37]

Answer: B

Step-by-step explanation:keep changing flip

7 0

3 years ago

-4x + (-3) =x +3 What is X equivalent to

stiks02 [169]

Answer: x= −6 /5 is the answer

4 0

2 years ago

Read 2 more answers