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

Unit 10 Quadratics Part 2 Day 8 and 9 review.notebook February 28, 2019

Unit 10 Quadratics Part 2 Day 8 and 9 review.notebook February 28, 2019

Unit 10 Quadratics Part 2 Day 8 and 9 review.notebook February 28, 2019