Free Printable Quadratic Equations

Worksheets

Quadratic Equations - Full topic

Total questions: 9

Worksheet time: 1hrs 5mins

Name

Class

Date

Solve the following quadratic equation...

x² + 9x + 20 = 0

x = -2

x = -10

x = -5

x = -4

x = -1

x = -20

x = 4

x = 5

What is another word for zeros?

y-intercepts

roots

vertex

axis of symmetry

Fill the blank space to complete the perfect square trinomial
x²-18x+____=(x- ____)²

9 and 3 respectively

81 and 9 respectively

-9 and -3 respectively

-81 and -9 respectively

Solve using the quadratic formula.
2x² - 9x - 35 = 0

x = 7/2, x = -6

x = -5/2, x =5

x = -3/7, x =6

x = -5/2, x = 7

If $\frac{1}{2}$ is a root of the equation $x^2\ +\ kx\ -\ \frac{5}{4}$ then the value of k is

-2

-3

A natural number, when increased by 12, equals 160 times its reciprocal. Find the number.

The positive root of

\sqrt{3x^2\ +\ 6}\ =\ 9

In a class test, the sum of Shefali’s marks in Mathematics and English is 30. Had she got 2 marks more in Mathematics and 3 marks less in English, the product of their marks would have been 210. Find her marks in the two subjects.

12,18

13,17

Both 12,18 and 13, 17

None of these

A motorboat whose speed in still water is 18 km/hr, takes 1 hour more to go 24km upstream than to return downstream to the same spot. Find the speed of the stream.

6 km/hr

8 km/hr

10 km/hr

12 km/hr

100 %

Quadratic Equations - Full topic

Total questions: 9

Worksheet time: 1hrs 5mins

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