-19.59 is your answer because u do PEMDAS and that would be 8.1*(-1.9) which gives you -15.39 Then you do -4.2+-15.39 and you would get -19.59
Use the formula (b/2)^2 in order to create a new term. Solve for x by using this term to complete the square.
Exact Form:
x = ±√21 + 6
Decimal Form:
x = 10.58257569…, 1.41742430…
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I hope this helps, as always. I wish you the best of luck and have a nice day, friend..
X equals 16
12+16=28
28 divided by 2 = 14
Answer:
You first find two points on the graph. You then count the distance between the two y-values (vertical) then the distance between the two x values (horizontal). The slope is equal to Distance of y-values
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Distance of X-Values
That represents a fraction.
Hope this helped and have a great day,
Ginny