The form of a quadratic equation is written as ax2+bx+c
What is standard form?
Clue: The degree of the polynomial 3x4+ 2x3 - 7 is…?
Answer: What is 4?
Clue: Simplify: (23 )(24)
Answer: What is 27?
This type of function has the form f(x) = ax + b.
What is a linear function?
Solve by substitution:
y = 2x, y = x + 3
x=3 y=6
Solve: x2-9=0
x=3 x=-3
Multiply: (x + 2)(x - 5)
Answer: What is x^2 - 3x - 10?
Clue: Rewrite in exponential form: log3 81 = 4
What is 3^4 = 81?
Find the domain of F(x) =3x+5
All real numbers
Find the Solution y=2x+4 2y= 4x +20
No solution
Quadratic Equation is...
Clue: Factor: x3 - x2 - x + 1
Answer: What is (x - 1)2(x - 1)
Solve log x =2
x=100
Describe the transformation: f(x) = (x - 2)2 + 3
Up 3 Right 2
Clue: Solve:
2x + y = 10
3x - y = 5
x=3 y=4
Complete the square: x2 + 6x + 5 = 0
Answer: What is (x + 3)2 - 4 = 0?
2 Clue: Divide x3 + 2x2 - x - 2 by x + 1
Answer: What is x + x - 2?
Simplify : log5(25)
Answer =2
Is the function f(x) = x2 + 3x + 2 even, odd, or neither?
Neither
Solve using elimination:
x + y = 5,
2x - y = 1
What is x = 2, y = 3?
Find the vertex of y = 2x2 - 8x + 3
Answer: What is (2, -5)?
given F(x)= x3-6x2+11x-6
Find all real zeros
x=1 x=2 x=3
Solve 3ex = 15
Answer is 2
Find the inverse of f(x) = 2x + 5
f-1(x) =(x-5)/2
Solve 2x+3y =12
x-y=1
x=3 y=2