math exam

square roots

100

What is the square root of 25

5

200

What is the square root of 784

28

300

What is the definition of a square root

A number that produces a specified quantity when multiplied by itself.

400

what is the square root of 324

18

500

What is the top part of a square root equation

The radical

Quadratic equations

100

2_x²-50=x²-1

x=7 or x=-7

200

3_x²=81-x²

x=-9/2 or x=9/2

300

x²+2_x=80

x=-7 or x=7

400

2_x²-9_x-65=x²-x

x=13 or x=-5

500

4_x²+41_x+98=2-3_x

x=-3 or x=-8

Factoring eq

100

x²+3=-4m

(-3,-1)

200

x²+2x=48

(-8,6)

300

x²=10x-24

(4,6)

400

x²-42=-x

(-7,6)

500

x²+8=9x

(1,8)

simplifying expressions

100

Simplify 3x+2x

5x

200

simplify 4(x+2)

4x+8

300

simplify (x+3)(x+1)

x²+4x+3

400

Combine like terms 2x²+3x-x²+5

x²+3x+5

500

factor x²+5x+6

(x+2)(x+3)

linear equations

100

what is the slope of the line y=3x+2

3

200

what is the y-intercept of the line y=-2x+5

5

300

solve for the x 2x-4=10

x=7

400

Write the equation of a line with slope 4 and y-intercept -1

y=4 x=-1

500

find the slope between the points (2,3) and (4,7)

2