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vesna_86 [32]
3 years ago
7

What is the best way to study for an algebra test?

Mathematics
1 answer:
Angelina_Jolie [31]3 years ago
4 0
The best way to study for any test is to practice. 

Notes for Equations : 

Solving an equation means finding a value of a variable that make the equation true. This value is called the solution of the equation. A mathematical equation is just like a balanced equation. Both sides of the equation should be equal at all times. Whatever we do to one side, has to be done on the opposite side.


Solving equations with variable on both sides, you have to move all terms to one side and rest constant terms to other.


 Notes for Powers 


A Power is a short way to represent repeated multiplication. The power includes a base and an exponent. The base is the number that is multiplied. The exponent is the number of times the base is multiplied.


 Note:<span> The power of a negative base is positive if the exponent is even, and negative if the exponent is odd.</span><span>  </span><span> </span>


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Need some help with this :)
Masteriza [31]
<h3>Answer:  8</h3>

===========================================================

Explanation:

All direct variation equations are of the form y = kx, for some constant k.

We know that y = -8 and x = 4 pair up together. Let's use these two values to find k

y = kx

-8 = k*4

-8/4 = k

-2 = k

k = -2

Therefore, we go from y = kx to y = -2x

We can then find y when x = -4

y = -2x

y = -2*(-4)

y = 8

4 0
3 years ago
Read 2 more answers
Which statements describe one of the transformations performed on f(x) =x^2 to create g(x)=2x^2+5?
Serjik [45]

Answer:

do u know the answer ik it's five units up but that it

7 0
3 years ago
What is triangle HDK congruent to?
Aleksandr [31]
I believe it should be ∆LKD because the parts should correspond with each other. D is a right angle in the first triangle and appears in the middle, so since K is the right angle of the second, it should also go in the middle.

I believe this is proven by HL because both hypotenuses are congruent, as is a pair of legs, and they are both right triangles.
7 0
4 years ago
Can you answer both questions (math isn’t my strongest subject)
strojnjashka [21]
Median: 13, mean: 12.125

7 0
3 years ago
Read 2 more answers
WILL MARK BRAINLIEST <br><br> What is the value of x? <br><br> 10 <br> 15 <br> 30 <br> 45
zhannawk [14.2K]
The answer is 15 but I don't think that's right so sorry if it's wrong
6 0
3 years ago
Read 2 more answers
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