Day 36 Review for TEST 1-2 (alg2)

Day 36 Review for TEST 1-2 (alg2)

11th Grade

12 Qs

quiz-placeholder

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Day 36 Review for TEST 1-2 (alg2)

Day 36 Review for TEST 1-2 (alg2)

Assessment

Quiz

Mathematics

11th Grade

Medium

Created by

Adam Sonne

Used 6+ times

FREE Resource

12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

narrowest graph?

A

B

C

D

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

find the min or max of y = x^2 - 2x + 2

A

B

C

D

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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What are the transformations of the function?

Reflection across the y-axis and vertical shift of 5 units up.

Reflection across the x-axis and horizontal shift of 5 units to the left.

Reflection across the x-axis and horizontal shift of 5 units to the right.

Reflection across the y=axis and vertical shift of 5 units down. 

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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which function represents the data?

a

b

c

d

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

what is the vertex of the parabola in the graph?

a

b

c

d

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

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Select all the statements that are true for y = - (x - 3)^2 + 4
(select THREE)

The vertex is (3,4)

The maximum value is 3

The function is increasing on (-infinity, 3)

the axis of symmetry is x=3

the function is decreasing on (-infinity, 4)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Remember to find our regression line, line of best fit, we use technology like Desmos' Graphing Calculator.

Steps for Desmos:

1) Enter the table of points

2) In spot #2 type:  y1∼a(x1−h)2+k             

  • remember Desmos will automatically format the 1's to be subscripts

  • remember this is our generic quadratic just we are identifying that we want the calculator to use the x and y from the table of step 1.

3) Desmos generates the line and tells you:

r2 = how close your data was to this line 

(close to +1 or -1 is strong (i.e. good); close to 0 is weak)    

a = the a for your equation

h = the h for your equation

k = the k for your equation

4) Write the parabola's equation down using those values and use it to make predictions.

19000

18000

14000

11000

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