Algebraic Expressions

Q. Number of terms in the expression, $7x^2+5xy$ is 2.

1. False
2. True

Q. Number of terms in the expression $3x+4y+x$ is

1. 1
2. 2
3. 3
4. 4

Q. Which of the following expressions have 2 terms?

1. x+y
2. x+x+z
3. 3x
4. 2x+3y+6y
5. x-3y+2z
6. x+x+x
7. y+3y+x
8. x+x+y+y

Q.

Find and correct the errors in the following mathematical statement, Substituting $x=-3$ in
$x^2+5x+4$ gives $(-3{)}^2+5(-3)+4=9+2+4=15$

Q. Question 4
Find and correct the errors in the statement : $x+2x+3x=5x$

Q. Question 6
Find and correct the errors in the statement: $3x+2x=5x^2$

Q.

Question 10(ii)
Find and correct the errors in the following mathematical statement. Substituting $x=-3$ in
$x^2-5x+4gives(-3{)}^2-5(-3)=9-15+4=-2$

Q.

Question 10(iii)
Find and correct the errors in the following mathematical statement. Substituting $x=-3$ in
$x^2+5xgives(-3{)}^2+5(-3)=-9-15=-24$

Q. Question 5
Find and correct the erros in the statement: $5y+2y+y-7y=0$

Q. Question 34

In the question below, fill in the blank to make the statement true.

The product of two terms with like signs is a ____ term.