Can someone check if this is right please? If not what is the correct way?
1 answer:
A, B, and C are the coefficients. They are not the terms as you have written now.
A quadratic equation is in the form Ax^2 + Bx + C . Therefore, A = 1, B = 8, and C = -6 .
The axis of symmetry is found using the equation -b/2a, as you've done. Therefore, the axis of symmetry is -8/2(1) = -4 .
Hope this helps!! :)
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Answer:
50% profit
Step-by-step explanation:
Cost price = £ 5000
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= 7500 - 5000
= £ 2500
Profit percentage =
= 50 %
Constant:9
Simplify. Combine like terms
12x - 9x = 3x
7 - 15 = -8
3x - 8 is your answer
hope this helps
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Answer:
Step-by-step explanation:
from the picture:
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and
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