Algebra 2

Quadratic Equations

100

  solve x²=9

x=3 x=-3

200

 solve x²+5x+6

x-2 and x-3

300

 solve x²+4x-5=0

x=1 or x=-5

400

 solve 3x²-12=0

x=0 or x=4

500

solve 2x²-4x-6=0

x=3 0r x=-1

Trig

100

what is sin(30)?

1/2

200

what is tan(45)?

1

300

find the missing side:

A right triangle has legs 5 and 12.What is the hypotenuse?

13

400

If a right triangle has an angle of 60 and the hypotenuse is 10,what is the length of the side opposite the angle?(Round to the nearest tenth).

8.7

500

 solve: sin(30)+cos²(30)

1

Inequalities

100

solve x+5<12

x<7

200

 solve 3x≥15

x≥5

300

 solve 2x-4<10

x<7

400

 solve -2x+6>14

x<-4

500

 solve: 4x-3≤2x+5

x≤4

Polynomials

100

 simplify: (2x+3)+(4x-5)

6x-7

200

simplify:(3x²-2x+1)-(x²+4x-3

2x²-6x+4

300

Multiply:(x+2)(x+5)

x²+7x+10

400

Evaluate:x²-3x+4 When x=-2

14

500

Multiply: (x-3)(x²+2x+1)

x³-x²-5x-3

Vocabulary

100

what is the standard of a quadratic equation?

ax²+bx+c

200

what is the part of the quadratic formula that tells you the number of real solutions?

Discriminant

300

what is tan?

opp/adj

400

Which trig function is a ratio of adj/hyp?

Cosine

500

What is the hyp in a right triangle?

The side opposite the right angle