unit 10 review: quadratics
TRANSCRIPT
Unit 10 Quadratics Part 2 Day 8 and 9 review.notebook February 28, 2019
A ball is traveling through the air with equation given by h(t) = ‐2t2 + 8t + 3 where h is height in feet and t is time in seconds.
a) What is the initial height?
b) What is the height after 4 seconds?
c) When does it reach the maximum height?
d) What is the maximum height?
e) When does the ball hit the ground?
f) When is the ball at 8 feet?
Have you?
[1] Taken out your packet and homework
[2] Grabbed a whiteboard and marker
[3] Completed the warm up
Unit 10 Review: Quadratics Learner outcomes for this unit:• I can convert quadratic equations from general to vertex
form by completing square.• I can define the imaginary unit, i and perform operations
with complex numbers.• I can simplify radical expressions.• I can solve a quadratic equations using the quadratic
formula.• I understand that solutions may be real or complex.• I can determine when a quadratic equation has complex
solutions
Unit 10 Quadratics Part 2 Day 8 and 9 review.notebook February 28, 2019
Fill in the blanks to make it a perfect square.
Write in vertex form by completing the square.
x2 - 8x + ____ = ( )
2
x2 + 7x + ____ = ( )
2
Write in vertex form by completing the square.
x2 + 8x + 3 = 0
2x2 + 8x + 3 = 0
Unit 10 Quadratics Part 2 Day 8 and 9 review.notebook February 28, 2019
i 4 = i 57 =
1 + 3i
2 - 5i
Simplify using complex numbers.
(4 - 2i) - (3 + 5i) (3 + 2i)(-2 - i)
‐36 80
Simplify
Unit 10 Quadratics Part 2 Day 8 and 9 review.notebook February 28, 2019
Solve using the Quadratic Formula
2x2-4x-2=0
Solve using the Quadratic Formula
3x2 + 4x = ‐5
Unit 10 Quadratics Part 2 Day 8 and 9 review.notebook February 28, 2019
Application The height, t , in feet of an object above the ground is given by h(t)=-16t2+64t+190 where t is the time in seconds.
a) What is the initial height of the object?
b)When does the object reach maximum height?
c) What is the maximum height of the object?
d) When will the object hit the ground?
QuizizzCompleting the Square
Complex Numbers and Simplifying Radicals
Quadratics
Quadratic Applications
511066
078944
202472
529388
Unit 10 Quadratics Part 2 Day 8 and 9 review.notebook February 28, 2019
Reminders: [1] TEST Friday !
[2] Review Worksheet Due test day. Remember, if your review is not complete
BEFORE the test, you don't qualify for a retake!
[3] HW Rubric Due Friday.
[4] Be PROACTIVE not REACTIVE! STUDY!!
[5] Retakes of part 1: deadline is Friday! Staying after to retake today? Talk to
me otherwise you won't be able to!
Have you?
[1] Taken out you
pacekt
[2] Grabbed a
chromebook
[3] Started on the
review quizziz.
Test Tomorrow
Today you will do a practice
quizizz then go over questions on the review.
HW Rubric Due tomorrow
Unit 10 Quadratics Part 2 Day 8 and 9 review.notebook February 28, 2019
[1] Go to google classroom and complete the QUIZIZZ.
[2] Complete and CHECK the review answers.
[3] Redo any quizzes on GC
[4] Complete HW Rubric on GC
Review Answers