Question 511 Mark
Identify the numerical coefficients of terms other than constants in $-p^2 q^2+7 p q$
AnswerTerms other than constants are: $-p^2 q^2,7 p q$
$ \therefore$ Required Coefficients = $-1, 7$
View full question & answer→Question 521 Mark
Identify the numerical coefficients of terms other than constants in $100m + 1000n$
AnswerTerms other than constants are: $100m, 1000n$
$\therefore$ Required Coefficients $= 100, 1000$
View full question & answer→Question 531 Mark
Identify the numerical coefficients of terms other than constants in $x + 2xy + 3y.$
AnswerTerms other than constants are: $x, 2xy, 3y$
$\therefore$ Required Coefficients $= 1, 2, 3$
View full question & answer→Question 541 Mark
Identify the numerical coefficients of terms other than constants in $1+t+t^2+t^3$
AnswerTerms other than constant are: $t, t^2, t^3$
$\therefore$ Required Coefficients $= 1, 1, 1$
View full question & answer→Question 551 Mark
Identify the numerical coefficients of term other than constants in $5-3 \mathrm{t}^2$
AnswerTerm other than constant = $-3 \mathrm{t}^2$
$\therefore$ Required Coefficient $= -3$
View full question & answer→Question 561 Mark
Identify the term and their factors in the expression: $\left(-a b+2 b^2-3 a^2\right)$. Show the terms and factors by tree diagrams.
Answer
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View full question & answer→Question 571 Mark
Identify the terms and their factors in the expression $5 x y^2+7 x^2 y$. Show the terms and factors by tree diagrams.
Answer
.
View full question & answer→Question 581 Mark
Identify the term and their factors in the expression $y - y^3$. Show the terms and factors by tree diagrams.
Answer
.
View full question & answer→Question 591 Mark
Identify the term and their factors in the expression $1+ x + x^2$. Show the terms and factors by tree diagrams.
View full question & answer→Question 601 Mark
Identify the term and their factors in $x – 3$. Show the terms and factors by tree diagrams.
View full question & answer→Question 611 Mark
Get the algebraic expression: Sum of numbers a and b subtracted from their product, using variables, constants and arithmetic operations.
AnswerSum of numbers a and b $= a + b$
Products of numbers $= ab$
Subtraction of sum from product $= ab - (a + b)$ $=ab - a - b$
View full question & answer→Question 621 Mark
Get the algebraic product of numbers $y$ and $z$ subtracted from $10$, using variables, constants and arithmetic operations.
AnswerProduct of number $y$ and $z = xy$
Product of number $y$ and $z$ subtracted from $10 = 10 - xy$
View full question & answer→Question 631 Mark
Get the algebraic expression: number $5$ added to three times the product of numbers $m$ and $n$, using variables, constants and arithmetic operations.
AnswerProduct of m and $n = m \times n = mn$
Three times of product of $m$ and $n = 3 \times mn = 3mn$
Five added to three times of product of $m$ and $n = 5 + 3mn$
View full question & answer→Question 641 Mark
Get the algebraic expression numbers $x$ and $y$ both squared and added, using variables, constants and arithmetic operations.
AnswerSquare of number $x = x^2$
Square of number $y = y^2$
Addition of squares of $x$ and $y = x^2 + y^2$
View full question & answer→Question 651 Mark
Get the algebraic expressions for One-fourth of the product of numbers $p$ and $q$, using variables, constants and arithmetic operations.
AnswerProducts of two numbers $p$ and $q = p \times q = pq$
So one - fourth of the above quantity is $\frac{1}{4} p q$
View full question & answer→Question 661 Mark
Get the algebraic expression for the number $z$ multiplied by itself, using variables, constants and arithmetic operations.
View full question & answer→Question 671 Mark
Get the algebraic expression for one-half of the sum of numbers $x$ and $y$, using variables, constants and arithmetic operations.
AnswerSum of numbers $x$ and $y = x + y$
One half of the sum of numbers $x$ and $y = \frac{1}{2}(x+y)=\frac{x+y}{2}$
View full question & answer→Question 681 Mark
Get the algebraic subtraction of $z$ from $y$, using variables, constants and arithmetic operations.
View full question & answer→Question 691 Mark
Substitute $a = 3$ and $b = 2$ in $a + b$
AnswerGiven expression is: $a + b$
Substitute $a = 3, b = 2$, we get
$a + b = 3 + 2 = 5$
View full question & answer→Question 701 Mark
Find the value of the expression $n^3+5 n^2+5 n-2$, when $n = – 2.$
AnswerThe given expression is: $n^3+5 n^2+5 n-2$
For $n=-2$, we have
$n^3+5 n^2+5 n-2=(-2)^3+5(-2)^2+5(-2)-2$
$=-8+20-10-2$
$=0$
View full question & answer→Question 711 Mark
Find the value of the expression $5 n^2+5 n-2$, when $n = – 2$.
AnswerThe given expression is: $5 n^2+5 n-2$
Put $n=-2$, we get
$5 n^2+5 n-2=5 \times(-2)^2+5 \times(-2)-2$
$=5 \times 4-10-2$
$=8$
View full question & answer→Question 721 Mark
Find the value of the expression $5n – 2$ when $n = – 2.$
AnswerThe given expression is: $5n – 2$
Put $n = – 2$, we get
$5n – 2 = 5(– 2) – 2$
$= – 10 – 2$
$= – 12$
View full question & answer→Question 731 Mark
Find the value of the expression $100-10 x^3$ for $x=2$.
AnswerThe given expression is: $100-10 x^3$
Put $x=2$, we get
$100-10 x^3=100-\left(10 \times 2^3\right)$
$=100-(10 \times 8)$
$=100-80$
$=20$
View full question & answer→Question 741 Mark
Find the value of expression $19-5 x^2$ for $x = 2$.
AnswerThe given expression is: $19-5 x^2$
Put $x=2$, we get
$19-5 x^2=19-\left(5 \times 2^2\right)$
$=19-(5 \times 4)$
$=19-20$
$=-1$
View full question & answer→Question 751 Mark
Find the values of expression $4x – 3$ for $x = 2.$
AnswerThe given expression is: $4x – 3$
Put $x = 2$, we get
$4x – 3 = (4 \times 2) – 3 = 8 – 3 = 5$
View full question & answer→Question 761 Mark
Find the value of the expression $x + 4$ for $x = 2.$
AnswerThe given expression is: $x + 4$
Put $x = 2$, we get
$x + 4 = 2 + 4 = 6$
View full question & answer→