Benchmark 2 Practice Algebra I

Front

Solve the system by substitution: x + 2y = 2, x = -4y + 2

Back

(2, 0)

Front

Which set of ordered pairs is a function? {(9,5), (10,5), (9,-5), (10,-5)}; {(3,4), (4,-3), (7,4), (3, 8)}; {(6,-5), (7, -3), (8, -1), (9, 1)}; {(2, -2), (5, 9), (5, -7), (1, 4)}

Back

{(6,-5), (7, -3), (8, -1), (9, 1)}

Front

Solve the system by substitution: 5x + 4y = -14, y = -7x - 15

Back

(-2, -1)

Front

Determine if the following is a function: {(2,3), (2,4), (3,5)}

Back

Not a function

Front

Uber charges an initial fee of $2 plus $0.75 per mile. What type of function is this?

Back

Linear

Front

What is a function?

Back

A relation where each input has exactly one output.

Front

What is the definition of a linear function?

Back

A function that graphs to a straight line, represented by the equation y = mx + b.

Front

Solve for y: 3x + 2y = 6

Back

y = -1.5x + 3

Front

Identify the slope in the equation y = 2x + 5.

Back

The slope is 2.

Front

What does it mean for a function to be one-to-one?

Back

Each output is paired with exactly one input.