CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon


Question

Of the following quadratic equations, which is the one whose roots are $$2$$ and $$-15$$?


A
x22x+15=0
loader
B
x2+15x2=0
loader
C
x2+13x30=0
loader
D
x230=0
loader

Solution

The correct option is C $$\displaystyle x^{2}+13x-30=0$$
Quadratic equation with roots 2 and -15 will be 
$$(x-2)(x+15)=0$$
$$x^{2}+15x-2x-30=0$$
$$x^{2}+13x-30=0$$

Mathematics

Suggest Corrections
thumbs-up
 
0


similar_icon
Similar questions
View More


similar_icon
People also searched for
View More



footer-image