Alg 2 FALL Final Review

Front

What does i² equal?

Back

-1

Front

Multiply: (2b+3)(3b²+2b+1)

Back

6b³ + 13b² + 8b + 3

Front

Sonya has $40 in her lunch account and pays $2 each day. What equation represents her remaining balance after x days?

Back

y = 40 - 2x

Front

What does the y-intercept represent in the equation for the cost of a pizza with toppings?

Back

The starting cost is $15 for a large pizza with no toppings.

Front

If the discriminant is equal to -2, how many solutions are there?

Back

2 Imaginary Solutions

Front

What is the definition of a polynomial?

Back

A polynomial is a mathematical expression consisting of variables, coefficients, and non-negative integer exponents.

Front

What is the quadratic formula?

Back

x = (-b ± √(b² - 4ac)) / (2a)

Front

What does the vertex of a parabola represent?

Back

The vertex is the highest or lowest point of the parabola, depending on its orientation.

Front

What is the difference between a rational and an irrational number?

Back

A rational number can be expressed as a fraction of two integers, while an irrational number cannot.

Front

What is the meaning of the term 'discriminant' in a quadratic equation?

Back

The discriminant (b² - 4ac) determines the nature of the roots of the quadratic equation.