Mathematics
Grade10
Easy
Question
Find the type of solutions for the quadratic equation .
- No solution
- Two solutions
- One Solution
- Either one or none
The correct answer is: Two solutions
to know the type of solution of any quadratic equation we need to find its discriminant(D)
for a given equation :
ax2+bx+c=0
D(discriminant)=b2-4(a)(c)
In the given equation ..
a=1
b=12
c=-45
D=(12)2-4*(1)*(-45)
D=144+180=324
D is 324 ,D>0 this means the given equation have two real and distinct roots
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