subject
Mathematics, 18.01.2021 18:30 emilysawyer4363

1. The coefficient in the term 7xy is (a) 7 (b) 3 (c) 1 (d) 2 2. The coefficient in the term -5x is (a) 5 (b) -5 (c) 1 (d) 2
3. The coefficient in the term 20 is (a) 1 (b) 2 (c) 10 (d) 20
4. The coefficient in the term -20 is (a) -1 (b) -2 (c) -10 (d) -20
5. The coefficient of xy in xy is
(a) 1 (b) -1 (c) 2 (d) 3
6. Which of the following is the numerical coefficient of x2y2?
(a) 0 (b) 1 (c) x2(d) y2
7. The expression x + 3 is in
(a) one variable
(b) two variables
(c) no variable
(d) none of these.
8. The expression x + 3 is in
(a) one variable
(b) two variables
(c) no variable
10. The value of 5x when x = 5 is
(a) 5 (b) 10 (c) 25 (d) -5
11. The value of x² – 2x + 1 when x = 1 is (a) 1 (b) 2 (c) -2 (d) 0
12. How many terms are there in the expression 5xy² ?
(a) 1 (b) 2 (c) 5 (d) 3
13. How many terms are there in the expression 5 – 3xy ?
(a) 1 (b) 2 (c) 3 (d) 5
14. How many terms are there in the expression 7x² + 5x – 5 ?
(a) 1 (b) 2 (c) 3 (d) 5
15. How many terms are there in the expression 5xy + 9yz + 3zx + 5x – 4y? (a) 1 (b) 3 (c) 4 (d) 5
16. Which of the following is the numerical coefficient of -5xy?
I. 5 II. –x III. -5 IV. -y
17. The value of 52 - x2 at x= 7 is
I. 2 II. 3 III. 4 IV. 5
18. In algebra, we use alphabets such as ‘a, b, c’ to denote
a. operational signs c. any numerical value b. constants d. polynomial
(d) none of these.

9. The expression x + y + z is in (a) one variable
(b) no variable
(c) three variables
(d) two variables.
19. The product of 4 and 7p is ———— a. 11p b. 28p c. -28p

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 17:30
If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=
Answers: 1
question
Mathematics, 21.06.2019 17:40
Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression
Answers: 2
question
Mathematics, 21.06.2019 18:10
The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%
Answers: 2
question
Mathematics, 21.06.2019 18:30
An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?
Answers: 1
You know the right answer?
1. The coefficient in the term 7xy is (a) 7 (b) 3 (c) 1 (d) 2 2. The coefficient in the term -5x is...
Questions
question
Mathematics, 10.02.2021 22:00
question
Physics, 10.02.2021 22:00
question
Mathematics, 10.02.2021 22:00
question
English, 10.02.2021 22:00
question
Mathematics, 10.02.2021 22:00
question
Mathematics, 10.02.2021 22:00
question
Social Studies, 10.02.2021 22:00