In this worksheet, we will practice solving quadratic equations using the quadratic formula.

Q1:

Find the solution set of the equation , giving values correct to two decimal places.

• A
• B
• C
• D
• E

Q2:

Solve the equation .

• A
• B
• C
• D
• E

Q3:

Find the solution set of the equation , giving values to three decimal places.

• A
• B
• C
• D

Q4:

Find the solution set of the equation , giving values to one decimal place.

• A
• B
• C
• D

Q5:

Find the solution set of in , giving values to one decimal place.

• A
• B
• C
• D

Q6:

Find the solution set of the equation , giving values to three decimal places.

• A
• B
• C
• D

Q7:

Find the solution set of the equation in , giving values to one decimal place.

• A
• B
• C
• D

Q8:

Given that is a root of the equation , find the set of possible values of .

• A
• B
• C
• D
• E

Q9:

The sum of the roots of the equation is . Find the value of and the solution set of the equation.

• A4,
• B,
• C,
• D4,

Q10:

A stone is thrown upward from the top of a cliff and lands in the sea some time later. The height, , above sea level at any time, seconds, is given by the formula .

After how many seconds will the stone reach the sea? Give your answer to the nearest tenth of a second.

This lesson includes 24 additional questions and 269 additional question variations for subscribers.