Algebra 2 — Round 2

Graph the Equation

100

y=2x+3

See graph 1

200

y=2/3x-1

See graph 2

300

y=|3x|+1

See graph 3

400

2y=|x+1|

y=|x+1|/2

See graph 4

500

1/2y<-3|x+2|+2

y<-6|x+2|+4

Find the Equation

100

See graph 6

y=-x-5

200

See graph 7

y>1/2x+7

300

See graph 8

y=2|x-6|-7

400

See graph 9

y>-1/4|x+8|-4

500

See graph 10

y>3x+1

y<-2x+1

Fractions

100

(1/y)/(1/y²)

y

200

(2/m)/(m³/3)

6/m⁴

300

(x/6)÷(x⁴/3)

1/2x³

400

(1/p)÷(3/p²)

p/3

500

(2x/y)÷(2x²/3y)

3/x

Factoring

100

x²-2x+1

(x-1)²

200

x²-x-20

(x-5)(x+4)

300

3x²+13x+12

(x+3)(3x+4)

400

6x²-11x-10

(2x-5)(3x+2)

500

(x³-10x²+44x-69)÷(x-3)

(x²-7x+23)

Chance

100

(14x⁴/22y⁵)/(7x³/11y⁵)

x

200

Multiply the 9^th prime number by 5, then divide by 10.

11.5

300

What is the significance of this date in Egypt?

Enter the number 7

Multiply by 10

Subtract 1

Multiply by 13

Add 6

Add 3

Multiply by 11

Subtract 10

Subtract 6

Divide by 10

Add 11

Divide by 100

10.06 (mm.dd)

400

Is it possible to solve this equation? |7x+21|=-1

No

500

Solve by using the quadratic formula: 2x²+x-21

x=3; x=-7/2 (-3.5)