Question

if X=1 is a solution of the equation ax^+5x-2 then a=

A)-1
B)1
C)3
D)-3

Answer 1

hey...

x = 1

a (1)^2 + 5 (1) - 2

a + 5 - 2 = 0

a + 3 = 0

a = -3.
..................

Answer 2

the answer is D (-3) because it is a quadratic equation