Term 1 Review (SM2E)

Factoring Quadratics

1

Factor:

x²+9x+20

(x+5)(x+4)

2

Factor:

x²+11x+30

(x+5)(x+6)

3

Factor:

x²+19x+84

(x+7)(x+12)

4

Factor:

x²+25x+156

(x+12)(x+13)

5

Factor:

x²-7x+10

(x-2)(x-5)

Which Type of Function?

1

Which type of function is shown below:

(Linear, Quadratic, Exponential, None of These)

f(0)=2,  f(x)=f(x-1)+5

Linear

2

Which type of function is shown below:

(Linear, Quadratic, Exponential, None of These)

f(0)=2,  f(x)=f(x-1)*9

Exponential

3

Which type of function is shown below:

(Linear, Quadratic, Exponential, None of These)

f(x)=2x²+5x

Quadratic

4

Which type of function is shown below:

(Linear, Quadratic, Exponential, None of These)

f(x)=(x+3)(x+9)

Quadratic

5

Which type of function is shown below:

(Linear, Quadratic, Exponential, None of These)

Sally puts her money in a bank account that earns 3% interest.

Exponential

Different Forms of the Equation

1

What is the standard form of this equation:

(x+5)(x+7)

x²+12x+35

2

What is the standard form of this equation:

(x+11)(x+12)

x²+23x+121

3

What is the vertex form of this equation:

y=3x²+6x+4

y=3(x+1)²+1

4

What is the standard form of this equation:

y=2(x+3)²+5

y=2x²+12x+23

5

What is the standard form of this equation:

y=-3(x+2)²+1

y=-3x²-12x-11

Find the Vertex

1

Where is the vertex:

y=(x-4)²+7

(4,7)

2

Where is the vertex:

y=-3(x+5)²-8

(-5,-8)

3

Where is the vertex:

y=x²+10x+26

(-5,1)

4

Where is the vertex:

y=x²-12x+31

(6,-5)

5

Where is the vertex:

y=3x²+12x+15

(-2,3)