Square Roots
Rational and Irrational
Right Triangles
Distance and Midpoint
Functions
100

Simplify

sqrt(144)

12

100

sqrt(12)

irrational

100

Find the missing length, round to the nearest unit if necessary. 

Leg: 4m

Leg: 2m

Hypotenuse: x

approx20

100

Find the midpoint

(9,7) (8,2)

(8 1/2,4 1/2)

100

Graph 

y=2x^2

(-2,8) (-1,2) (0,0) (1,2) (2,8)

U opens up

200

Simplify

sqrt(30)

approx 5

200

7.125

rational

200

Find the missing length, round to the nearest unit

Leg: 7cm

Leg: x

Hypotenuse: 12cm

approx10

200

Find the midpoint

(6,-2) (7,0)

(6 1/2, -1)

200

Graph 

y=-1/2x^3

(-2,4)(-1,1/2)(0,0)(1,-1/2)(2,-4)

300

Simplify

-sqrt(110)

approx -10

300

.8989898989898989......

rational

300

legs

two shortest sides of a right triangle

300

Find the midpoint

(2,4) (5,4)

(3 1/2, 4)

300

quadratic function

the input variable is squared

y=nx^2

400
perfect square

The square of an integer

400

irrational number

in decimal form it neither repeats nor terminates

400

hypotenuse

the longest side of a right triangle

400

Find the distance, round to the nearest integer if necessary

(9,7) (8,2)

approx5

400
cubic function

the input variable is cubed

y=nx^3

500

square root

the inverse of squaring a number

500

pi

irrational

500

pythagorean theorem

states, in any right triangle the sum of the squares of the lengths is equal to the square of the hypotenuse.

500

Find the distance, round to the nearest integer if necessary

(2,4) (5,4)

3

500
What shape is the graph and which direction does it go?


parabola shape, opens down