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Alg 4.2.1 HW 4-36 to 4-41

Posljednje ažuriranje almost 5 years ago

15

4.2.1 Solving Systems of Equations Using Substitution

1

1

1

1

1

Pitanje 1

1.

Strong

Moderate

Weak

Positive

Negative

Linear

Non-linear

With no outliers or clusters

With 1 or more outliers or clusters

1

Pitanje 2

2.

8a + a - 3 = 6a - 2a - 3

1

Pitanje 3

3.

(m + 2)(m + 3) = (m + 2)(m - 2)

1

Pitanje 4

4.

1

Pitanje 5

5.

Pitanje 6

6.

i

ii

iii

iv

Pitanje 7

7.

part b Solve the system of equations above to determine how many touchdowns and how many field goals the Fabulous Footballers had last night.

4 touchdowns and 9 field goals

4 touchdowns and 4 field goals

9 touchdowns and 4 field goals

9 touchdowns and 9 field goals

Pitanje 8

8.

4-39 Yesterday Mica was given some information and was asked to find a linear equation. But last night her cat destroyed most of the information! Complete the table and graph the line that represents Mica’s rule.

Pitanje 9

9.

Mica thinks the equation for this graph could be 2x+y=−3. Is she correct?

No, neither of the points would make the equation true

No, only one of the points make the equation true

Yes, both (-3, 3) and (-2, 1) Make the equation true

1

Pitanje 10

10.

Kevin

Katy

1

Pitanje 11

11.

How do you know?

1

Pitanje 12

12.

1

Pitanje 13

13.

1

Pitanje 14

14.

1

Pitanje 15

15.

4-36 Ms. Hoang’s class conducted an experiment by rolling a marble down different length slanted boards and timing how long it took. The results are shown at right. Describe the association by selecting the true statements

null

below.