Bimesters 3,4 and 5 review

probability

100

if you have 4 green,6 red and 8 yellow apples what is the probability you eat a green one being chosen at random?

4\18 

200

a die is rolled find the probability that a even number is obtained?

1\2

300

Two coins are tossed what is the probability that two heads are obtained ?

1\4

400

tickets number 1 to 20 are tossed in a bag what is the probability you grab a multiple of 3 or 5?

9\20

500

from a pack of 52 cards 2 cards are drawn what s the probability both of them are kings?

1\221

Geometry

100

an angle with 90⁰ is called ...

Right angle 

200

an inside of a triangle should add up to...

180⁰

300

how many sides are the same in a Scalene triangle ?

none of them 

400

what is the formula for the Pythagorean theorem ? 

A²+B²equals C²

500

what is the hypothenuse ?

It is the longest side of a right triangle opposite to the right angle 

algebra

100

simplify the following (2x²+5x-1) + (5x²-2x+9)

7x²+3x+8

200

multiply the following (2x-8) (9x+4)

18x²+-64x+-32

300

solve for Z -12z + 18 = -18

Z=3

400

solve for Y  10 - 2y= 0 

Y=5

500

solve for x    21x=-147

x=-7