1)What is the simplified form of the following expression? 2x^2y+3x^2+4y+3x^2y+2y
A)5x^4y^2+3x^2y+2y
B)8x^2y+6y^2
C)5x^2y+3x^2=6y
D)14x^2y
2)Simplify the following expression
1/3 (21m+27)
A)7m+27
B)7m+9
C)63m+9
D)7m+81
3) What is the sum
7/4+(-1/5)
A)31/20
B)39/20
C)6/9
D)-7/20
4)Which property i illustrated by he following?
3x(-5) = (-5)3x
A)Commutative property of addition
B)Associative Property of addition
C)commutative property of multiplication
D)Inverse property of multiplication
10) what is the algebraic expression for the following word phase : the sum of 5 and 2x?
A)7x
B)5+2
C)5x+2x
D)5+2x
13) What is the difference?
9/4-1/7
A)-3/8
B)59/28
C)-8/3
D)67/28
can anyone type out the answer instead of just a,b,c,d π
we'll never know whose right like this
dont use juice boxes answers i jus got a 50%
do not use strawberryβs answers i got 15/30
JUST FAILED BC OF EVERYONE thxs:)
what this the simplest expression for this question 11x+4-12x-8
Foundational Concepts Unit Test Part 1β Unit 2 Lesson 9. Connections Academy, Posted 2020
1. 5x^2y+3x^2+6y β C
2. 9-7x β B
3. 47/24 β B
4. Commutative property of multiplication β A
5. Commutative property of addition β C
6. (-4/3), -0.4, 0.8, sqrt 2, sqrt 11 β C
7. 3+(-7)=-4 β D
8. Irrational numbers β C
9. x/2 + 3/4 β A
10. 4g + 6 β B
11. 6/5+y β B
12. x/6y β B
13. 59/28 β B
14. 1/12 β A
15. Associative property of multiplication β B
16. 489 β B
17. -12.47 β B
18. 27/125 β A
19. The product of 6 and the number y β C
20. 85 mph β D
21. -8n+5v β A
22. 169 β A
23. -5y β B
24. 204 - 70 - 25 β D
25. -1/6 β D
26. The product is rational β B
27. 3.12β¦ * 1.4 β A sqrt 9 * sqrt 25 β B 4+5 β D
28. In order to find out how much she paid per apple
29. (Essay. It is worth mentioning my answer was not graded so recommend checking my work before putting it in)
25+6*14 = 25+84 = 109
so whoes right i need the answer now please
10) Sum of five and 2x is .... D)5+2x
13) What is the difference?
9/4-1/7 = (63-4)/28 = 59/28 B)59/28
A
C
D
B
A
B
B
A
D
C
A
D
B
B
A