Algebraic Expressions - Maharashtra Board STD 7 Maths Questions

Q 11 Mark Question1 Mark

Write all the terms of the following algebraic expressions:
3x

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Q 21 Mark Question1 Mark

Evaluate the following algebraic expressions for $x =1, y =-1, z =2, a =-2, b=1, c =-2$ :
$a x^2+b y^2-c z$

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Q 31 Mark Question1 Mark

Write the coefficient of:
$x^3$ in $x^3+1$

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Q 41 Mark Question1 Mark

Place the last two terms of the following expressions in parentheses preceded by a minus sign:
3x - 2y - 5z - 4

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Q 51 Mark Question1 Mark

Write all the terms of the following algebraic expressions:
$2 x^2-7$

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Q 62 Mark Question2 Marks

Add the following:
$2 x^2 y,-4 x^2 y, 6 x^2 y,-5 x^2 y$

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Q 72 Mark Question2 Marks

Add the following expressions:
$5 x^3+7+6 x-5 x^2, 2 x^2-8-9 x, 4 x-2 x^2+3 x^3, 3 x^3-9 x-x^2$ and $x-x^2-x^3-4$

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Q 82 Mark Question2 Marks

Evaluate the following expressions for x = -2, y = -1, z = 3:
$\text{x}^2+\text{y}^2+\text{z}^2-\text{xy}-\text{yz}-\text{zx}$

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Q 92 Mark Question2 Marks

Add the following expressions:
$x^3-2 x^2 y+3 x y^2-y^3, 2 x^3-5 x y^2+3 x^2 y-4 y^3$

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Q 102 Mark Question2 Marks

Add the following:
7abc, -5abc, 9abc, -8abc

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Q 113 Mark Question3 Marks

Subtract:
$6 x^3-7 x^2+5 x-3$ from $4-5 x+6 x^2-8 x^3$

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Q 123 Mark Question3 Marks

Simplify the following algebraic expressions by removing grouping symbols:
2a - [4b - {4a - 3(2a - b)}]

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Q 133 Mark Question3 Marks

From,
$x^3-5 x^2+3 x+1$, take away $6 x^2-4 x^3+5+3 x$

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Q 143 Mark Question3 Marks

$7+x-x^2$, take away $9+x+3 x^2+7 x^3$

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Q 153 Mark Question3 Marks

From,
$1-5 y^2$, take away $y^3+7 y^2+y+1$

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Q 16MCQ1 Mark

The coefficient of $x^2$ in $-\frac{5}{3} x^2 y$ is equal to:

A
$-\frac53$
✓
$-\frac53\text{y}$
C
$\frac{5}{3}$
D
$\frac{5}{3} y$

Answer: B.

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Q 17MCQ1 Mark

If $a, b$ and $c$ are respectively the coefficients of $x^2$ in $-x^2, 2 x^2+x$ and $2 x-x^2$, respectively, then $a+b+c=$

✓
$0$
B
$-2$
C
$2$
D
$-1$

Answer: A.

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Q 18MCQ1 Mark

How much is $-2 x^2+x+1$ less than $x^2+2 x-3$ ?

A
$-x^2+3 x-2$
✓
$3 x^2+x-4$
C
$-3 x^2-x+4$
D
$3 x^2+3 x-4$

Answer: B.

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Q 19MCQ1 Mark

What should be added to $3 x^2+4$ to get $9 x^2-7$ ?

✓
$6 x^2-11$
B
$6 x^2+11$
C
$12 x^2-11$
D
$12 x^2+11$

Answer: A.

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Q 20MCQ1 Mark

Which of the following is not a monomial?

✓
$2 x^2+1$
B
$3 x^4$
C
$a b$
D
$x^2 y$

Answer: A.

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Q 214 Mark Question4 Marks

If $P=a^2-b^2+2 a b, Q=a^2+4 b^2-6 a b, R=b^2+b, S=a^2-4 a b$ and $T=-2 a^2+b^2-a b+a$. Find $P+Q+R+S-T$.

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Q 224 Mark Question4 Marks

How much does $a^2-3 a b+2 b^2$ exceed $2 a^2-7 a b+9 b^2$ ?

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Q 234 Mark Question4 Marks

From the sum of $3 x^2-5 x+2$ and $-5 x^2-8 x+9$ subtract $4 x^2-7 x+9$

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Q 244 Mark Question4 Marks

What must be added to $12 x^3-4 x^2+3 x-7$ to make the sum $x^3+2 x^2-3 x+2$ ?

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Q 254 Mark Question4 Marks

If $P=7 x^2+5 x y-9 y^2, Q=4 y^2-3 x^2-6 x y$ and $R=-4 x^2+x y+5 y^2$, show that $P+Q+R=0$.

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Algebraic Expressions question types

Algebraic Expressions questions

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Algebraic Expressions Maths - Algebraic Expressions

Algebraic Expressions question types

Algebraic Expressions questions

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