hwhite41
04.02.2020 •
Mathematics
Which values of pp and qq result in an equation with no solutions? -60x+32=qx+p−60x+32=qx+p choose all answers that apply: choose all answers that apply: (choice a) a q=-60q=−60 and p=60p=60 (choice b) b q=32q=32 and p=60p=60 (choice c) c q=-60q=−60 and p=-32p=−32 (choice d) d q=32q=32 and p=-60p=−60
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Ответ:
A and C
Step-by-step explanation:Given:
-60x+32 = Qx+P
Find:
Which values of P and Q result in an equation with no solutions? Choose all answers that apply:
(Choice A) A Q=-60 P=60
(Choice B) B Q=32 P=60
(Choice C) C Q=-60 P=−32
(Choice D) D Q=32 P=−60
Solution:
The equation will have no solution if it reduces to ...
0 = (non-zero constant)
If we add 60x-32 to both sides, we get
0 = 60x +Qx + P-32
0 = (Q+60)x +(P-32)
The x-term must be zero, so Q+60 = 0, or Q = -60.
The constant term must be non-zero, so P-32 ≠0, or P ≠ 32.
The appropriate answer choices are those with Q=-60 and P≠32, A and C.
Ответ:
Step-by-step explanation: