IXL - Checkpoint: Quadratic functions (Algebra 1 practice)

This is the graph of the function

f

(

x

)

=

–

x

2

+

2

x

+

15

.

Which equation shows the function in an equivalent form?

ref_doc_title.

$Confetti$

Excellent!

Now entering the Challenge Zone—are you ready?

Questions
answeredQuestions

0

Time
elapsedTime

hr	min	sec
00	00	02

SmartScore
out of 100
IXL's SmartScore is a dynamic measure of progress towards mastery, rather than a percentage grade. It tracks your skill level as you tackle progressively more difficult questions. Consistently answer questions correctly to reach excellence (90), or conquer the Challenge Zone to achieve mastery (100)! Learn more

0

Teacher tools

Work it out

Not feeling ready yet? These can help:

Y.1Characteristics of quadratic functions: graphs

Y.5Graph quadratic functions in vertex form

Y.7Graph quadratic functions in standard form

Y.8Match quadratic functions and graphs

Y.11Write a quadratic function in vertex form from its vertex and another point

Z.3Solve a quadratic equation by factoring

Write a quadratic function from its zeros