The first number in a pattern is 84. The pattern follows the rule divide by 2 then add 10. Find the next three terms and then de
scribe the pattern.
2 answers:
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Answer:
<em>D:5(x2 + 6x ___) + 15 ___ = 0</em>
Step-by-step explanation:
<u>Parabola in Vertex Form</u>
To express the equation of a parabola in vertex form we must complete squares. The equation is given as
The first step is to factor 5 and leave space to complete the third term in the parentheses, along with a space outside it to compensate. This should look like
Those spaces need to be filled out like shown in the step 2. Thus the correct option is D