DO NOW: Take out your Review HW & begin the Do Now!!!
What happened to the plant in math
class???
Day #13: Objectives• SC discover the basic
properties of a quadratic graph.
• SC find the x-intercepts of a quadratic function by factoring and sketch a basic graph of the function.
Can you identify the x-intercepts?
Can you identify the x-intercepts?
Notes• A standard quadratic function is in
the form: • Where a, b, and c are just
numbers. • Positive quadratics are in the
shape of a U.
• Negative quadratics flip over the x-axis.
Notes• On the x-intercept, the value of
“y” is zero.
• To find x-intercepts, plug zero in for “y” and solve for “x”.
Examples!!!• Find the x-intercepts of the
following quadratic functions by factoring!!!
Example #1:
Example #2:
Exit Ticket!!!• What are the x-intercepts of the
following function?
Unit 1 QUICK Review!!!1. Find the inverse of the following
function:
2. Simplify the following polynomial expression:
3. If and , what is ?
What is on the test!?!?!• Adding & Subtracting Polynomials• Multiplying Polynomials• Factoring (Regular, GCF, Perfect
Squares)• Composition of Functions• Inverse Functions• Linear Functions (isolating “y” and
graphing)• Complex Numbers (“i”)• STUDY!!! The website has been
updated!!!
