Iker’s Rational Expressions & Equations

Rational Equations

100

X+2/8=3/4

X=4

200

2x-3/x+1 = x+6/x-2

X=0 or X=14

300

3x-2/9x+1 = 2x-5/6x-5

X= -15/16

400

3x/x²+5x+6 +2/x²+x-2 = 5x/ x²+2x-3

X=1/2 or X=-6

500

3/x-5 - 20/x²-25 = 2/x+5

No Solution

Adding and Subtracting

100

What is 362,738.64 + 257,827. Without calculator.

620,565.64

200

2/a - 3/a-5

-a-10/a(a-5)

300

x−2/x+1 + 3/x

x²+x+3 / x²+x

400

1/3a + 1/4b=?

3a+4b/12ab

500

What is 10+10+10+10+110+1000+1000+1010+100+100+500+100+10+10+10+10

4,000

Multiplying and Dividing

100

Divide 5x²/9 by15x³/27

1/x

200

5a²/14 * 7/10a³

1/4a

300

2x+6/4x+4  * 2x+2/x²-9

1/x-3

400

a2+4a+a / 2a²-a-10 * a+5/a²-2a

a+5/a(2a-5)

500

Divide 3x²/x+2 by 6x⁴/(x²+5x+6)

X+3/2x²

Simplify Rational Expressions

100

Seven divided by the sum of a number and two is equal to half the difference of the number and three. Find all such numbers.

5 & -4

200

- 36x³ / 42x²

- 6x/7

300

15n/30n³

1/2n²

400

32n²/24n

4n/3

500

16r² / 16r³

1/r

Random

100

Whar formula did Einstein discovered?

E=mc²

200

Who is the best male soccer player?

Messi

300

What soccer team do I support?

Atletico Bilbao

400

How many keys does a piano has?

88

500

The third planet from the sun

What is Earth?