Fun with Equations
Solve: 4x + 7 = 31
x = 6
Algebra: Is this a function: {(1, 2), (2, 3), (2, 4)}
Algebra: No
Algebra: What is the point-slope form of a linear equation:
Algebra: y - y1 = m(x - x1)
Find the x- and y-intercept of the
line 2x + 3y = –18
x-intercept is –9; y-intercept is –6.
What is the solution of the system of equations y=-2x-4 and y=0.5x+6?
(-4,4)
Solve: 2(3x - 4) = 34
x = 7
Write the polynomial in standard form
4g – g3 + 3g2 – 2
-g3 +3g2 + 4g - 2
Algebra: What is the Standard form of a linear equation:
Ax + By = C
Algebra: What is the slope intercept formula?
algebra: y=mx+b
Algebra: What is the domain of y=x?
Algebra: All real numbers
Algebra: Solve for a: ax + b = c
Algebra: a = (c - b)/x
Tell whether the lines for each pair of equations are parallel, perpendicular, or neither.
7x – 4y = 4 x – 4y = 3
neither
Solve the inequality for y 10x + 2y>500
y > -5x + 250
Solve:
3p - 1 = 5( p - 1) - 2(7 - 2p)
p = 3
How do you determine the solution systems of two inequalities ?
Simplify: -4(8x - 2) -2(4 - 3x)
-26x
Expand (2x – 6)2
4x2 - 24x + 36
Simplify: -(x + 7) -2(4x + 6)
-9x-19
Solve: 3/7x + 6 = 9
x = 7
Solve using elimination 5x + 3y = 118 and 11x + 5y = 226
(11,21)
What makes a line Coinciding?
Same slope and y intercept
Algebra: Write the slope-intercept form of the linear equation for the line passing through (3,9) (5,4)
Algebra: y=-5/2x+33/2
Simplify: 1/5(-5 + 15x) - 2/5(20x - 25)
9-5x