Algebra I Benchmark 2 Review

Front

What is the value of f(x) for f(x) = 2x - 5 when x = 3?

Back

f(3) = 2(3) - 5 = 6 - 5 = 1.

Front

What does the inequality y ≥ -3x + 4 represent graphically?

Back

It represents the region above the line y = -3x + 4, including the line itself.

Front

What system of equations represents the total sales of nachos and sodas if nachos cost $1.50 each and sodas cost $0.50 each, with total sales of $78.50 and 87 items sold?

Back

1.5x + 0.5y = 78.5 and x + y = 87.

Front

What is the relationship between the slopes of perpendicular lines?

Back

The slopes of perpendicular lines are opposite reciprocals.

Front

Write the equation of a line perpendicular to y = -\frac{1}{3}x + 5 that passes through the point (6,4).

Back

y = 3x - 14.

Front

What is the slope of the line represented by the equation y = 2x + 3?

Back

The slope is 2.

Front

How do you find the y-intercept of the equation y = mx + b?

Back

The y-intercept is the value of b in the equation, where the line crosses the y-axis.

Front

What is the solution to the equation 3x + 4 = 10?

Back

x = 2.

Front

What does it mean for two lines to be parallel?

Back

Two lines are parallel if they have the same slope and never intersect.

Front

What is the standard form of a linear equation?

Back

The standard form is Ax + By = C, where A, B, and C are integers.