ACT Math : Equations / Inequalities

Study concepts, example questions & explanations for ACT Math

varsity tutors app store varsity tutors android store varsity tutors amazon store varsity tutors ibooks store

Example Questions

1 2 24 25 26 27 28 29 30 32 Next →

Example Question #51 : Quadratic Equations

Solve:  

Possible Answers:

None of the other answers

 and 

 and 

 and 

 and 

Correct answer:

 and 

Explanation:

To solve, we must set it equal to zero. The above expression is of the form , so we can use the quadratic formula:

to solve for the roots which are  and

We can check by plugging the roots into the expression and making sure that it equals zero.

1 2 24 25 26 27 28 29 30 32 Next →
Learning Tools by Varsity Tutors