Algebra Quadratic Functions Exam

A sketch of h(x) is shown. Which of the following could be an equation of h(x)?

Answer explanation

Review video to understand how to solve the question

https://youtu.be/ASwOZYbfBjI?si=SXvQKPE6DMmIM9ip

Tags

CCSS.HSA.APR.B.3

Which of the following equations matches standard form of a quadratic?

• ax + by = c

• y = a(x - h)² + k

• y = ax² + bx + c

• y = mx + b

What kind of functions have an x^2?

• Linear

• Exponential

• Quadratic

• Absolute Value

The minimum or maximum of a quadratic function is the...

• axis of symmetry

• y-intercept

• vertex

• zero

Use the quadratic function below to answer the following question: How many x - intercepts does this function have? The function has ​ (a)   x - intercept.

• 1

• 2

• 0

• 3

Tags

CCSS.HSF-IF.C.7A

• greater than or equal to

• -20

• Greater than

• Less Than

• Less Than or Equal to

• 5

• -5

• 20

You need to know the vertex to state the​ (a)   which comes from the x value of your vertex.

You also need to know the Vertex to state the ​ (b)   which comes from the ​ y value of your vertex. ​

• Axis of Symmetry

• Range

• a

• y-intercept

• Domain

Tags

CCSS.HSF-IF.C.7A

Mathematical Equivalence

ON

• -1

• -4

• 1

• 0

• 4

If I was going to factor x^2+6x+5, I would...

• multiply ac & add to get b

• 4 boxes

• 2 boxes

• a smiley face