Linear
solution of the linear equation
2x+7=31
What is x=12?
Solutions to
x2+x-12=0
What is x=3 and x=-4?
Solutions in interval notation of
x(2-3x)le0
(-infty,0]U[2/3,infty)
The number of real solutions for
x2-6x+1=0
(Hint: use discriminant)
What is 2?
Solutions to
abs(2x)=3
What is
x=+-3/2
Solution to linear equation
3+1/3x=5
What is 6?
Solutions to
2x2+3x+1=0
What is
x=-1/2
x=-1
Solutions of x2+5x+6<0
What is (-3,-2)?
Solve for b
a2+b2=c2
What is
b=+-sqrt(c^2-a^2)
Solutions to
abs(3x+5)=1
What is
x=-4/3
x=-2
Solution to
3x+11<6x+8
What is x>1?
Solutions to 4x2-x=0
What is x=0 and
x=1/4
Solutions to
x^2ge9
(-infty,-3] U [3,infty)
Solutions to
sqrt(5-x)+1=x-2
What is x=4 and x=1?
absxle4
Solution in interval notation of
[-4,4]
Solution to
2(7x-3)ge12x+16
What is
xge11
Solutions to 3+5z+z2=0
What is
x=(-5+-sqrt13)/2
Solutions to
-2<(x+1)/(x-3)
What is
(-infty,5/3)U(3,infty)
Four consecutive odd integers whose sum is 416
What are 101, 103, 105, and 107?
Solution in interval notation of
abs(3x)<15
What is (-5,5)?
z/5=3/10z+7
What is z=-70?
Solutions by completing the square
x2-4x+2=0
What is
x=2+-sqrt2
Solutions to
x/2ge5/(x+1)+4
What is
[-2,-1]U[9,infty)
Solutions to x4-13x2+40=0
What is
x=+-2sqrt2
x=+-sqrt5
Solutions to
abs((x+1)/2)ge4
What is
xge7
xle-9