Question

Find the zeroes of the quadratic polynomial (x2 + 3x -10) and verify the relation between its zeroes and
coefficients.​

Answer 1

Answer:

Step-by-step explanation:

We know quadratic equation have two zeros, the let zeeos are p and q

Now x^2 +3x -10=0

x^2 +5x-2x-10=0

x(x+5)-2(x+5)=0

(x-2)(x+5)=0

Then x=2and x=-5

Now we get two roots p=2 and q=-5

Verification

Sum of roots (p+q)= -b/a

2+(-5)= -3/1

-3 = -3

Lhs=rhs hence

verified

Product of roots (p×q)= c/a

2×-5=-10

-10 = -10

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