Welcome

Anti Essays offers essay examples to help students with their essay writing.

Sign Up

Mrs.Romi Essay

  • Submitted by: ROMIKI
  • on November 25, 2012
  • Category: English
  • Length: 1,025 words

Open Document

Below is an essay on "Mrs.Romi" from Anti Essays, your source for research papers, essays, and term paper examples.

1. Quadratic equations
Example 1.1. Solve the equations by factorising:
a. x2 + 7x + 12 = 0
d. x2 − 5x + 6 = 0
g. x2 + x − 6 = 0
j. 2x2 − 3x − 2 = 0
m. 6x2 − 13x − 6 = 0
p. 6x2 − x − 1 = 0
t. 6x2 + 17x − 3 = 0

b. x2 + 2x − 15 = 0
e. x2 + 5x − 14 = 0
h. x2 + 10x + 21 = 0
k. 3x2 + 10x − 8 = 0
n. 4x2 − 29x + 7 = 0
r. 4x2 − 3x − 10 = 0
u. 10x2 + 19x − 2 = 0

c. x2 − 8x + 12 = 0
f. x2 + 7x + 10 = 0
i. x2 − 4x − 5 = 0
l. 2x2 + 7x − 15 = 0
o. 10x2 − x − 3 = 0
s. x2 − 8x − 65 = 0
v. 20x2 − 7x − 3 = 0

Example 1.2. Solve the equations by factorising:
a. x2 + 5x = 0
d. 16x − 2x2 = 0
1
g. x2 − 4 = 0
j. x2 − 49 = 0

m. − 2x2 = 5

b.
e.
h.
k.

7x − x2 = 0
15x − 9x2 = 0
9x2 − 16 = 0
x2 + 9 = 0

c. 3x2 − 21x = 0
f. 6x2 − 21x = 0
i. 16x2 − 1 = 0
l. 3x2 = 0

Example 1.3. Solve by completing the square:
a. x2 + 6x = 7
d. x2 = 22 + 10x
g. x2 + 8x + 25 = 0
j. 3x2 + 5x − 2 = 0

x2 = 8x − 9
x2 = 22x + 14
x2 + 6x + 13 = 0
2x2 − 5x − 3 = 0
4
m. 4x2 + 25x − 21 = 0 n. 7x2 + 5x + = 0
7

c. x2 + 8x = −15
f. x2 + 8x + 25 = 0
i. 3x2 + 5x − 2 = 0
l. 2x2 − x − 6 = 0

b.
e.
h.
k.

o. 31x2 − 2x + 3 = 0

Example 1.4. Solve by using the quadratic formula:
a. 4x2 = 8x + 5
d. x2 − 2x + 4 = 0
g. x2 − 2x = 15
j. 2x2 − 3x − 2 = 0
m. x2 + x + 2 = 0

b.
e.
h.
k.
n.

4x2 − 12x + 9 = 0
5x2 − 7x = 0
x2 + 4 x = 5
3x2 + 6x = 10x
x2 + 1 = x

c. x2 + 3x + 4 = 0
f. 5x2 − 4x = 11
i. 5x2 + 3x = 2
l. 3x2 + 8x + 3 = 0
o. 5x2 − 8x = 3

Example 1.5. Solve the quadratic equations:
a. 5x2 + 10x − 36 = −3(x + 2)2 + 24x − 23
b. 4(x − 1)2 − 2(x + 2)2 = −2x2 + 4x + 11 c. (2x + 3)2 − (3x − 2)2 = (4x − 5)2 − (3x − 2)(x + 6)
x+1 x+3
x2 − 3x + 2
d.
=0
e.
+
=0
2+1
x
x−1 x−1
1

2

f.

3
3−x
11
+
=
x+3
t
10

g.

x+4 x+5

−1=0
x−4 x−5

h.

1
−1
+ 0, 2 =
x+5
5 + 2x

i.

6
10
6
+
=
x − 1 2x + 2
x−2

j.

1
2
2x − 3
=2

x3 + 1
x − x + 1 (x + 1)2

k.

x−8
2x − 4
=
2x +...

Show More


Citations

MLA Citation

"Mrs.Romi". Anti Essays. 9 Dec. 2018

<http://snehaedu.com/free-essays/Mrs-Romi-358101.html>

APA Citation

Mrs.Romi. Anti Essays. Retrieved December 9, 2018, from the World Wide Web: http://snehaedu.com/free-essays/Mrs-Romi-358101.html