REALLY NEED ALGEBRA HELP please
1 answer:
A. The discriminant is 81. The formula is b^2 - 4ac.
B. 2 answer and both will be rational due to the fact that the discriminant is a perfect square.
C. Solutions are 1/2 and -4. You can find using the quadratic formula.
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Wait so what’s the question then?
Answer:
CD= 15.03
Step-by-step explanation:
x1=7, x2= -8
y1=-4, y2=-5
distance CD= √(x2- x1) 2+ (y2-y1)2
= √( -8-7)2 + [-5-(-4)]2
= √(15)2+ (-5+4)2
= √225+ (1)2
= √225+1
= √226
= 15.03
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3226.08
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64
Step-by-step explanation:
Since 64 is a multiple of itself and of all the other numbers, the answer is 64.
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Step-by-step explanation: