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3 years ago

Write the equation of the line that passes through the points (0,7)

Mathematics

2 answers:

Volgvan3 years ago

3 0

Answer: y=4x + 7

Step-by-step explanation:

Add 7 to both sides that’s what I meant to say in the last bit of explanation in the attachment below

Download pdf

Gnoma [55]3 years ago

3 0

Answer: y-7=4(x-0)

Step-by-step explanation: m= -9-(7)/-4-(0)

m= -16/14

m=4

y-y1=m(x-x1)

y-7=4(x-0)

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What is the inequality of the problem and the symbol

Illusion [34]

48 is greater than or equal too 40in I think so < with a little line under it

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3 years ago

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The equation of a parabola is 1/32 (y−2)2=x−1 .

Andru [333]

The given equation of parabola is

$\frac{1}{32} (y-2)^2 = x-1$

Which can also be written as

$x = \frac{1}{32} (y-2)^2 +1$

Here vertex (h,k) is (1,2)

And value of a is

$a = \frac{1}{32}$

Formula of focus is

$(h+ \frac{1}{4a} , k)$

Substituting the values of h,k and a, we will get

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Therefore the correct option is the last option .

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3 years ago

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Which of the following are solutions to 2x2 – 8x - 90? Select all that apply.

Bond [772]

Answer:

x=-5, x=9

Step-by-step explanation:

we know that

The formula to solve a quadratic equation of the form

$ax^{2} +bx+c=0$

is equal to

$x=\frac{-b\pm\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$2x^{2} -8x-90$

equate to zero

$2x^{2} -8x-90=0$

$2=-1\\b=-8\\c=-90$

substitute in the formula

$x=\frac{-(-8)\pm\sqrt{-8^{2}-4(2)(-90)}} {2(2)}$

$x=\frac{8\pm\sqrt{784}} {4}$

$x=\frac{8\pm28} {4}$

$x=\frac{8+28} {4}=9$

$x=\frac{8-28} {4}=-5$

therefore

The solutions are x=-5, x=9

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3 years ago

One light year is defined as the distance light travels in 1 year. use this information to determine how many meters there are i

kogti [31]

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3 years ago

What is the total area, in square inches, of the shaded sections of the trapezoid below? 5.5 in 5.5 in 6.4 in 5.2 in

Anni [7]

Answer:

Step-by-step explanation:

A = ½(5.5)(6.4) + ½(5.5)(5.2)

A = ½(5.5)(6.4 + 5.2)

A = ½(5.5)(11.6)

A = 31.9 in²

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