Test 1 Review

Quadratic Equations

100

x²=x+6

x=-2,3

200

2x²+5x+3=0

x=-3/2,-1

300

3x²-15x-42=0

x=-2,7

400

3x²=36

x=+-2√3

500

x²-6x+25=0

x=3+-4i

Rational/Radical Equations

100

What value or values of x make the denominator 0?

(x+5)/(x+8) =1+ 6/(x+1)

x≠-8,-1

200

(x−4)/5x = 1/5x +2

x=-5/9

300

2 = √(4x)

x=1

400

x=√(42-x)

x=6

500

(x+5)/(x²-2x) -1= 1/(x²-2x)

x=-1,4

Linear equations/inequalities

100

25x+19-10x=-11+5x

x=-3

200

3x+2(x-6)=33

x=9

300

(9+7x)/3=-11

x=-6

400

−6≥-5x+5+4

3≤x

500

x−15>−4(−6+3x)

x>3

Absolute Value

100

5-8|-2x|=-75

x=-5,5

200

|x+8|-5=2

x=-15,-1

300

|7x+4|/8=3

x=-4, 20/7

400

|x-4|/5≤ 2

-6≤ x≤ 14

or

[-6,14]

500

8+|4x-7|≥ 17

x≥ 4, x≤ -1/2

or

[-∞,-1/2]U[4,∞]

Complex Numbers

100

-3+6i-(-5-3i)-8i

2+i

200

(1-7i)²

-48-14i

300

(8-6i)(-4-4i)

-56-8i

400

6(-7+6i)(-4+2i)

96-228i

500

(2+i)/(3-i)

1/2+1/2i