NC math 2 Spring 2020 Review 2

Front

What is the probability of spinning the spinner and landing on 7?

Back

1/8

Front

What does it mean when a system of equations has no real solutions?

Back

It means the graphs of the equations do not intersect at any point.

Front

What is the vertex of the parabola given by the equation y = 3(x + 5)² - 4?

Back

(-5, -4)

Front

What is the probability of picking a red marble from a bag containing 4 red marbles and 6 other marbles?

Back

3/10

Front

How do you find the value of x in an equation?

Back

Isolate x on one side of the equation.

Front

What is a quadratic equation?

Back

An equation of the form ax² + bx + c = 0, where a, b, and c are constants.

Front

What is the formula for the vertex of a parabola in standard form?

Back

The vertex (h, k) can be found using the formula h = -b/(2a) and k = f(h).

Front

What is the difference between independent and dependent events in probability?

Back

Independent events do not affect each other's outcomes, while dependent events do.

Front

What is the range of a quadratic function?

Back

The set of all possible output values (y-values) of the function.

Front

What does it mean for a function to be linear?

Back

It means the function can be represented by a straight line on a graph.