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3 years ago

What is the image of (4,3) after a reflection over the x-axis ?

Mathematics

1 answer:

Greeley [361]3 years ago

7 0

If it was reflected over the x-axis it would become (4,-3).

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3 years ago

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Suppose you could climb to the top of the Great Pyramid of Giza in Egypt. Which path would be shorter, climbing a lateral edge o

Temka [501]

Lateral edge because if its slant you would slide of

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3 years ago

What is square root of 27/4 to the nearest interger

Radda [10]

<h3 /><h3> $\sqrt{ \frac{27}{4} } = \frac{ \sqrt{27} }{ \sqrt{4} } = \frac{ \sqrt{3 \times 2} }{ \sqrt{ {2}^{2} } } = \frac{3 \sqrt{3} }{2} = \frac{3}{2} \sqrt{3} \\$ </h3>

<em>-</em><em> </em><em>BRAINLIEST</em><em> answerer</em>

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3 years ago

-3x - 3y = 3, -5x + y =13<br> System of Equations

Nataliya [291]

Answer:

( $\frac{-7}{3}$ , $\frac{4}{3}$ )

Step-by-step explanation:

Hi there!

We are given the following system of equations:

-3x-3y=3

-5x+y=13

and we need to find the solution (the point at which the 2 lines intersect)

let's solve this by substitution, where we will set one variable equal to an expression containing the other variable, and then substitute that expression into the other equation to solve for the variable that the expression from earlier contains, and then use the value of the solved variable to find the value of the first variable

in the second equation, add 5x to both sides to isolate y by itself

y=5x+13

now substitute 5x+13 as y in -3x-3y=3

-3x-3(5x+13)=3

do the distributive property

-3x-15x-39=3

combine like terms

-18x-39=3

add 39 to both sides

-18x=42

divide both sides by -18

x= $\frac{-7}{3}$

now we need to find y

remember: y=5x+13

substitute $\frac{-7}{3}$ as x in y=5x+13

y=5( $\frac{-7}{3}$ )+13

multiply

y= $\frac{-35}{3}$ +13

add

y= $\frac{4}{3}$

So the answer is x= $\frac{-7}{3}$ , y= $\frac{4}{3}$ . As a point, it's ( $\frac{-7}{3}$ , $\frac{4}{3}$ )

Hope this helps! :)

4 0

3 years ago

Use the quadratic formula to solve x² + 9x + 10 = 0.

tekilochka [14]

Answer:

The quadratic formula: (-b+-sqrtb^2-4ac)/2a

Plugging in the values of a=1, b=9, and c=10, the roots of the equation are: -7.7 and -1.3.

So, the first option is correct.

Let me know if this helps!

7 0

3 years ago