NC Math 1 EOC Released

Front

What is the factored form of the quadratic equation y = (4 - x)(x + 2)?

Back

The factored form is y = (4 - x)(x + 2).

Front

What is the solution for x in the equation x + 3 = 0?

Back

x = -3.

Front

How do you calculate distance in a linear equation?

Back

Distance can be calculated using the formula: distance = speed × time.

Front

What does a net income of $0 indicate for a company?

Back

A net income of $0 indicates that the company's total revenues equal its total expenses.

Front

If a company needs to sell 8 units to break even, what does this mean?

Back

It means the company must sell 8 units to cover all its costs without making a profit or loss.

Front

What is the significance of the y-intercept in a graph?

Back

The y-intercept is the point where the graph crosses the y-axis, indicating the value of y when x = 0.

Front

What does it mean for a function to be quadratic?

Back

A quadratic function is a polynomial function of degree 2, typically in the form y = ax^2 + bx + c.

Front

How do you find the vertex of a quadratic function?

Back

The vertex can be found using the formula: x = -b/(2a) for the function y = ax^2 + bx + c.

Front

What is the formula for calculating profit?

Back

Profit = Total Revenue - Total Costs.

Front

What does it mean if a graph opens upwards?

Back

If a graph opens upwards, it indicates that the leading coefficient of the quadratic function is positive.