6- The zeros of the quadratic polynomial x' +13x + 40 are....
(а) -10, -4
(b) 8, 5
(c) -8, -5
(d) 20, 25
a
О O
b
C
d
Answers
Answered by
0
Answer:
C
Step-by-step explanation:
if the equation is written as (x-a)(x-b) where a and b are the zeroes of the equation, then
x2-(a+b)x+ab=0 is the given equation.
-(a+b)=13
ab=40
substituting the values of a and b,
we get option C
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