Algebra 2 Test 2

Front

Simplify √-25

Back

5i

Front

Does the equation y = 2x² + 7x + 5 have a max or min?

Back

min

Tags

CCSS.HSF-IF.C.7A

Front

Solve the equation by factoring: x² + 7x + 10

Back

x = -2; x = -5

Tags

CCSS.HSA-REI.B.4B

Front

What is another name for the 'Zero' of the function?

Back

x-intercept

Tags

CCSS.HSF-IF.C.7D

Front

What does i² = ?

Back

-1

Tags

CCSS.HSN.CN.A.1

Front

What is the definition of a quadratic function?

Back

A polynomial function of degree 2, typically in the form y = ax² + bx + c.

Front

What is the vertex of a parabola?

Back

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

Front

How do you find the x-intercepts of a quadratic function?

Back

Set the function equal to zero and solve for x.

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Front

What is the quadratic formula?

Back

x = (-b ± √(b² - 4ac)) / (2a) for the equation ax² + bx + c = 0.

Tags

CCSS.HSA-REI.B.4B

Front

What is the discriminant in a quadratic equation?

Back

The value b² - 4ac, which determines the nature of the roots.

Tags

CCSS.HSA-REI.B.4B