Algebra I Mid-Term

Vocabulary part 1

100

The set of independent, or input, values

What is Domain?

200

Pattern involving an ordered arrangement of numbers, figures, letters, or objects

What is Sequence?

300

Algebraic representation of a function written as f(x)=...

What is Function Notation?

400

Process of solving a system of linear equations by substituting a variable with an equivalent expression

What is Substitution?

(alternate answer: What is Substitution Method?)

500

The solution to an equation where y=0

What is Zero? 

(alternate answer: What is the zero of a function?)

Vocabulary part 2

100

Linear equation written as y=mx+b

What is Slope-Intercept Form?

200

Group of functions that share the same characteristics

What is Function Family?

300

The constant in an arithmetic sequence

What is Common Difference?

400

Linear equation written as Ax+By=C

What is Standard Form?

500

The graph of a linear inequality in 2-variables

What is Half-Plane?

Functions

100

Name all four function families.

What is Linear, Exponential, Quadratic, and Linear Absolute Value?

200

Determine if the following is a function.

(0,2) (2, 4) (0,3) (4, 6) (5, 8)

What is Not a Function?

300

Identify the function family in f(x) = |3x|+2 

What is Linear Absolute Value?

400

Identify the function family:

f(x) = 3^x 

What is Exponential Function Family?

500

Sally is selling chocolate bars for $4 each. She also received a donation of $20 from her grandma. Write a function to represent the amount of money Sally has using x and y variables.

What is y = 4x + 20 ?

Solving

100

The solution to a system of linear equations should always be written as this.

What is A Coordinate?

200

Identify the rate of change between the coordinates (2, 3) and (5, 7).

What is 4/3 ?

300

Identify the slope of a line perpendicular to y=3x-2.

What is -1/3 ?

400

Identify the solution type in -5 + 3x = -3(2-x)

What is No Solution?

500

Evaluate the function f(x) = 3x² + 2x - 3 at f(4)

What is f(4) = 53?

Misc.

100

Graph Characteristic: 

Graphs that go up from left to right

What is Increasing?

200

A tub fills at a rate of 10 gallons per minute. Identify the dependent variable.

What is gallons?

(alternate answer: What is volume?)

300

A horizontal line has a y-intercept of 3. Identify the equation of the line.

What is y = 3 ?

400

Identify the common ratio: 16, 4, 1, 0.25, ...

What is 1/4 ?

(alternate answer: What is 0.25?)

500

Write the explicit formula for the following: -3, 2, 7, 12, ...

What is a_n = -3 + 5(n-1) ?