Hope this is the right answer .
(3x + 4) = - 5" align="absmiddle" class="latex-formula">
please help me solve for x on this.
please help me solve for x on this.
1 answer:
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Answer:
Step-by-step explanation:
To solve, we need to take square root of both sides first:
Now we use the property of radical shown below to simplify square root of 28:
Property:
Now, we have:
Now we take 4 to the other side and isolate x:
first answer choice is right.
Answer:
-7
Step-by-step explanation:
You use the quadratic formula of to get:
a = 1
b = 7
c = -13
then you plug that into x= (-b ± √b²-4ac)/(2a) :
x= ( -7 ± √7²- 4(1)(-13) )/(2(1))
The sum of these two x values turns out to be:
Answer:
Step-by-step explanation:
When we scale an object by a scale factor, the side lengths become the scale factor times bigger than the previous sides. Therefore, with a scale factor of 6, the side lengths would be multiplied by 6.
Hope this helped!