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olga_2 [115]
3 years ago
14

Lorraine writes the equation shown. x squared + y minus 15 = 0 She wants to describe the equation using the term relation and th

e term function.
Mathematics
2 answers:
Colt1911 [192]3 years ago
8 0

Answer:

x=2  y=11

Step-by-step explanation:

Lina20 [59]3 years ago
8 0

X=2 Y=11

Step-by-step explanation:

I copied the other person

OOF

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Tju [1.3M]
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3 years ago
Solve by completing the square. Round your answers to the nearest tenth and then locate the greater solution. <img src="https://
Andrews [41]

Step-by-step explanation:

Step 1: Write our Givens

{x}^{2}  + 10x - 7 = 0

Move the constant term ,(the term with no variable) to the right side.

Here we have a negative 7, so we add 7 to both sides

{x}^{2}  + 10x = 7

Next, we take the linear coeffeicent and divide it by 2 then square it.

( \frac{10}{2} ) {}^{2}  = 25

Then we add that to both sides

{x}^{2}  + 10x + 25 = 7 + 25

{ {x}^{2} } + 10x + 25 = 32

Next, we factor the left,

(x + 5)(x + 5) = 32

we got 5 because 5 add to 10 and multiply to 25 as well.

so we get

(x + 5) {}^{2}  = 32

This is called a perfect square trinomial.

Next, we take the square root of both sides

x + 5 = ± \sqrt{32}

± menas that we have a positive and negative solution.

Subtract 5 form both side so we get

x =  - 5± \sqrt{32}

The greater solution is when sqr root of 32 is positive so the answer to that is

\sqrt{32}  - 5 = 0.7

3 0
2 years ago
The vertices of a rectangle are (1, -3), (4,0), (0,4) and (-3,1). What is the area of the rectangle? ​
motikmotik

Answer:

48

Step-by-step explanation:

You can use a graphing calculator like desmos or draw your own graph to figure this out. Start by graphing each of those points. Then count the width and height. Multiply them to get the area. The width and height of the rectangle were 6 and 8, so the area is 48

3 0
2 years ago
20 points to anyone who can answer number 3!!!!!
sp2606 [1]
My bad I didn't even read the directions haha, It is an 8 sided octogon and the sides are Irregular 
3 0
3 years ago
Read 2 more answers
FInding the length of EB
larisa86 [58]

Answer:

EB=3.3

Step-by-step explanation:

From the diagram, triangle ABC is similar to triangle DBE.

This means that, the corresponding sides are proportional.

It was given that AC=6, DE=4, CB=5.

We want to find EB=x

Since the ratio of corresponding sides are proportional, we have:

\frac{EB}{CB} =\frac{ED}{AC}

We substitute to obtain:

\frac{x}{5} =\frac{4}{6}

Multiply both sides by 5 to get:

x=\frac{4}{6}\times 5=\frac{20}{6}=\frac{10}{3}=3.3

4 0
3 years ago
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