Show:
Linear and Quadratics
Exponential and Logs
Radicals
Rationals
Absolute Value and Trig
100

Solving Equations

x^2 + 3 = 7

What is: 

x=2 and x =-2

100

Solving Equations log3 x =2

What is:

x=9


100
2 = (4b)^(1/2)

What is: 1

100

2/x=6/-9

x=-3

100

 cos x = 1/2

What is pi/3 and 5pi/3? 

200

Solving Equations

x^2-8x = -16

What is: 

x=4

200

Solving Equations

 6^(-2x) = 6^(2-3x)

What is:2

200

-8 +(5a-5)^(1/2)=-3

What is 6

200

1/x = 6/5x +1

x = -1/5
200

abs (x+8)<12

What is (-20,4)?

300

Solving Equations

3x^2+11x=-6

What is: 

x=-2/3 and x=-3

300

log (5x) = log (2x +9)

What is: x = 3

300

 (3x)^(1/2) = (4x-1)^(1/2)

What is 1

300

Solve: (1)/(n-8) -1 = 7/(n-8)

What is n= 2

300

abs (x-3) + 8 = 3

What is no solution? 

400

25- 4b + 2(b+3) =34

b=

-3/2

400

Solving Equations

2^(2b)2^(-3b)=2(2b)

What is:

b=0

400

b = (-4 +4b)^(1/2)

What is 2

400

6/(b+9) = 4/(b+5)

b=3

400

 cos (pi/4) =x

What  (2)1/2 /2

500

Solving Equations

5b^2+28=27b

What is:

b=7/5 and b=4

500

Solving Equations: 

-10 + ln(x-1)= -10


What is:

n=-2

500

x =  (-1-2x)^(1/2)

What is no solution

500

(x+5)/(x^2+x)=1/(x^2+x) - (x-6)/(x+1)


x=4 and x =1

500

2(sinx)^2-3sinx +1 =0

What is pi/6, 5pi/6, pi/2?