NC Math 1 EOC Practice: Calculator ACTIVE

Front

What is the equation representing the cost of mailing a package that weighs w pounds, given that the first pound costs $4.95 and each additional pound costs $1.25?

Back

c = 1.25(w - 1) + 4.95

Front

If Shauna saw 30 fish and the number of fish is 6 more than twice the number of clams, what equation can be used to find the number of clams, x?

Back

2x + 6 = 30

Front

What percent of a liquid evaporates per week if the remaining amount after x weeks is modeled by y = 100(0.78)^x?

Back

22%

Front

What is the result of subtracting the polynomials (3x²-3x+2) - (x²-2x+1)?

Back

2x² - x + 1

Front

Which quadratic equation can be solved with the graph shown if the options are: x² - x - 6 = 0, x² - x + 6 = 0, x² + x - 6 = 0, x² + x + 6 = 0?

Back

x² + x - 6 = 0

Front

Define a linear equation.

Back

An equation that makes a straight line when graphed, typically in the form y = mx + b.

Front

What is the slope-intercept form of a linear equation?

Back

y = mx + b, where m is the slope and b is the y-intercept.

Front

What does the slope of a line represent?

Back

The rate of change of y with respect to x; it indicates how steep the line is.

Front

What is a polynomial?

Back

An expression consisting of variables raised to whole number powers and coefficients, combined using addition, subtraction, and multiplication.

Front

What is the standard form of a quadratic equation?

Back

ax² + bx + c = 0, where a, b, and c are constants and a ≠ 0.