Vocabulary
y = mx + b
Add: (3x2 - 2x + 9) + (4x - 3)
3x2 + 2x + 6
Identify the slope and y-intercept: y = 5x - 4
Slope = 5 and y-intercept = -4
What do you have to do with the sign of an inequality when you multiply or divide by a negative number?
Flip the sign
Formula to find slope (m) between 2 points
y2 - y1 / x2 - x1
Simplify: -7x(x - 2)
-7x2 + 14x
Solve for x: 8x - 4 = 4x + 8
x = 3
Solve for x: 2x - 12 < 6
x < 9
A polynomial with a degree of 2
Quadratic
Solve f(x) = 3x + 12 when x = -3
3
Solve for x: 16x - 4 = 4(2x - 3)
x = -1
What is one solution to y = -3x - 12
I will check
Monomial
Solve f(x) = x2 + 8x - 9 when x = 3
24
Identify the x and y-intercept of 2x - 4
x-int: 2 and y-int: -4
How many solutions does x2 + 8x - 12 have?
2
A polynomial with 3 terms and a degree of 5
5th Degree Trinomial
Find the product: (3x - 4)(5x + 2)
15x2 - 14x - 8
What are the solutions to the equation x2 - 4x + 8
No solution
Solve the system of linear equations:
y = 2x - 4
y = -3x + 6
(2,0) or x = 2, y = 0