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emmainna [20.7K]
3 years ago
13

Which expression is equivalent to -15x + 5?

Mathematics
1 answer:
salantis [7]3 years ago
6 0

Answer:

the answer is a b c or d

Step-by-step explanation:

because I'm smart

You might be interested in
f(x) = x2. What is g(x)?SIf(x)= x/g(x)(2,1)-5O A.06)-()O B. g(x) = 2x2O C. g(x)-9(x)=(*)O D. g(x)= x2
Andrew [12]
Explanation

As you can see all the possible answers have the same form:

g(x)=ax^2

By looking at the picture you'll notice that the graph of g(x) has to pass through the point (2,1). Remember that the points in the graph of g(x) have the form (x,g(x)). Since (2,1) is part of the graph of g(x) then we have the following:

\begin{gathered} (2,1)=(x,g(x)) \\ x=2 \\ g(2)=1 \end{gathered}

So let's evaluate the expression for g(x) that we wrote before at x=2. This way we'll obtain an equation for the number a:

\begin{gathered} g(2)=1=a\cdot2^2 \\ 1=4a \end{gathered}

Then we can divide both sides by 4:

\begin{gathered} \frac{1}{4}=\frac{4a}{4} \\ a=\frac{1}{4} \end{gathered}

Then we get:

g(x)=\frac{1}{4}x^2=(\frac{1}{2}x)^2Answer

Then the answer is option A.

3 0
1 year ago
How to Simplify the following expression<br> −3x2+5−12x−149x2
laila [671]
Multiply the numbers: 3 x 2=6 = 6x + 5 - 12x - 2 x 149x 
Next Multiply the numbers 149 x 2 = 298

Then, Group like terms, =-6x-12x-298x+5

Add similar elements -6x-12x-298x=-316x,
and you get -316x+5!
3 0
3 years ago
(3,-3) and (2,-6) as a linear equation in y=mx+b form
xeze [42]

Answer:

y=3x-12

Step-by-step explanation:

We need to find the m of y = mx+b which is the slope:

-3-(-6)/3-2 = 3 as our slope

We know have y = 3x+b.

If we keep applying slope to the point (2,-6) and go downwards. We hit (0,-12). That's our y intercept. So we replace b with our y intercept which is -12. We know get y = 3x-12


8 0
2 years ago
Complete the solution of the equation. Find the value of y when x equals -25. <br> -2x+2y = 44
bazaltina [42]

Answer:

y=-3

Step-by-step explanation:

-2(-25)+2y=44

Substitute -25 for x

Then multiply

50+2y=44

-50        -50

Subtract 50 on both sides

2y/2=-6/2

Divide 2 and 6

Answer is -3

7 0
3 years ago
jimmy opened a savings account and deposited $5,000. the savings account will pay 1% simple interest monthly. if Jimmy does not
Basile [38]
Turn 1% into decimal which is 0.01.
5,000×0.01=50
12 months=1 year
50×12=600
600+5,000=5,600
Answer: He will have $5,600 in his account at the end of one year.
Hope this helps!!!
4 0
3 years ago
Read 2 more answers
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