Simplify
Simplify -2+(-1)
-3
Write an equation that is perpendicular to y=-3x+12
y=(1x/3)+12
Evaluate the following expression when x=-3, y=2, and z=1
x-(z-3y)
2
Express 39/100 as a decimal
0.39
Simplify -4-8
-12
Write an equation of the line that has a slope of -8 and a y-intercept of (0,6)
y=-8x+6
Solve the equation
-3x-3=-2x+5
x=-8
Express 3/2 as a decimal
1.5
Simplify (-8)(5)
-40
Which of the following equations is written in standard form?
y=3x+9
8x+5y=2
8x+5y=2
(2x/5)-3=7
25
Is the square root of 3 an irrational number? And if so, what is that number?
Yes, 1.732050808...
Simplify (3)(-7)(5)(-2)
210
Which of the following equations would graph as a vertical line?
x=2
y=1
x=2
Solve a=2bc for b
b=a/2c
What number is 40% less than 90?
54
20-2(3)+(14/2)
21
What is the y-intercept of the equation y=4x+5
5 or (0,5)
3x+4=12
(4,0)
Four less than twice a number is seventy. What is the equation we would use to solve, and what is the number?
2x-4=70, 37