Simple Equations
Algebra: Is this a function: {(1, 2), (2, 3), (2, 4)}
No
Algebra: What is the slope-intercept of a linear equation
Algebra: y= mx + b
Find the slope:
y = 1/2x - 9
1/2
Evaluate:
2*4+8*3
32
Algebra: simplify: 3(6wd - 3) + 3wd
Algebra: 21wd - 9
Write an equation of a line in slope intercept form that:
Has a slope of -1
Has a y intercept of -1
y=-x-1
What is the slope of the following equation:
y = x + 2
1
3(4x + 1y - 8 + x - 10)
15x + 3y - 54
Algebra: Solve for a: ax + b = c
Algebra: a = (c - b)/x
What's the slope?
y - 1 = -3/2 (x - 6)
-3/2
Evaluate:
{(2*3) +(7*4)} +2
Algebra: 36
Simplify: a(b - c) - 2a(c + b)
-1ab - 3ac
What's the slope?
6x + 7y = 23
-6/7
Simplify:
-(x + 7) -2(4x + y)
-9x -7 -2y
Solve: 21 + x = 2(x - 6)
x = 33
Algebra: What's the domain of x = 3?
Algebra: 3
y = 1/2x - 8
Lots of answers:
... (-2,9) (0,8) (2,-7) (4,-6) ...
What's the slope of the line passing through (3,9) (5,4)
slope: -5/2
Simplify:
1/4(-4 + 16x) - 2/5(20x - 15)
5 - 4x