Algebra I Spring Review

Functions

100

Determine f(5) if f(x) = 3x -17

f(5) = -2

200

Write the formula for the sequence 5, 7, 9, 11, ...

f(n) = 2n + 3

300

What does the domain measure?

The x-values

400

When the graph is increasing, the slope is _________

Positive

500

What is the only food that can never go bad?

Honey

Systems

100

Solve the system of equations:

y=6x-11

-2x-3y=-7

(2, 1)

200

How many bones are in the human body?

206

300

Solve the systems:

-5x+y=-3

3x-8y=24

(0, -3)

400

Solve the system of equations:

-3x+3y=4

-x+y=3

No Solution

500

Solve the system of equations:

y=5x-7

-3x-2y=-12

(2, 3)

Polynomials

100

What is the most used spice in the world?

Black pepper

200

(5x³ - 2x⁴ + x²) - (3x⁴ + 4x² - 2x³)

-5x⁴ + 7x³ - 3x²

300

(2x² + 5x - 3) + (7x² - 3x - 4)

9x²+ 2x - 7

400

(5x-4)(3x+2)

15x²-2x-8

500

(3x + 4)(x² - 4x + 5)

3x³ - 8x² - x + 20

Factoring

100

Factor: x² + x - 90

(x+10)(x-9)

200

Factor: x² + 13x + 40

(x+8)(x+5)

300

Where were french fries invented?

Belgium 

400

Factor: 9x²-64

(3x+8)(3x-8)

500

Factor: 6x² - 25x + 25

(3x-5)(2x-5)

Quadratics

100

Solve using the quadratic formula: 5x² + 15x + 8 = 0

(-15+-sqrt(65))/10

-0.69, -0.23

200

Find the vertex

y = -x² - 14x - 47

(-7, 2)

300

Simplify: sqrt(75)

5sqrt(2)

400

Which athlete has the most medals in Olympic history?

Michael Phelps

500

Simplify: sqrt(24)*sqrt(10)

4sqrt(15)