Answer:
D
Step-by-step explanation:
The volume of Model A is 48 cm³. The volume of Model B is 40 cm³. 48+40=88.
Joe is solving a quadratic function by graphing. He gets -1, -2, and 2 as the solutions to the quadratic. What error did Joe mak
1 answer:
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Answer:
c. x² + 2x -5 = 0
Step-by-step explanation:
Given expression;
=
Unknown:
The quadratic equation equivalent to this expression:
Solution:
The common denominator here is 3x;
So, multiply both sides by 3x
x 3x =
3x
5 x 3 = (x + 2)x
15 = x² + 2x
So;
x² + 2x - 15
The quadratic expression is x² + 2x - 15
