Lesson 40 - Integrated 1

1. Ratio of Gaudy scarves to Tawdry Scarves was 7 to 11. If there were 2520 scarves in the pile how many were gaudy?

980

145.7

1000

2. 1/-(-3)^-3

-27

27

1/27

1/-27

3. 3(p - 4) = 2p + 5

17

9

-17

4. Ratio of Sophomores to Juiors is 13 to 6. If there were 78 Sophomores how many Juniors were there?

169

36

40

5. 4 times THE SUM OF a number and -6 equals 20

-1

26/4

11

6. 3/4 + 1/2x = -2

-5.5

5.5

-2.5

7. Write the inequality and the negated inequality -------->

<-----------------O------>
1 2 3

X

X > 3 and negated : x is not less than or equal to 3

X > 3 and negated : x is not less than 3

8. 1.05 of .043 is what number

.040

24.4

.04515

9. X³y^2
---------xy⁴

X^2/y^2

Y^2/x^2

X^4y^6

10. Factor GCF:

4a²xy⁴ - 6a²x⁴

2a^2xy^4(2 - 3y^4)

2a^2x(2y^4 - 3x^4)

2a^2x(4y^4 - 6x^4)

11. -(-3)^-3

-27

27

1/-27

1/27

12. M^-2( b² - 4am²)
--- ----- -----------
b (m³ b⁴ )

M^5b - 4am^4/b^5

4 more days!

B/m - 4a/b^5

13. X³y^-3z
----------
z⁵x²y

X^5y^-8z^6 = x^5z^6/y^8

Xy^-4z^-4 = x/y^4z^4

14. 6x - 36x² 6x

1 - 6x

X - 6x

1x - 6x^2

15. -3³- 2² - I 2 - 3I

-30

22

-32