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Quiz 2
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Multiply $4a^2bc^2$ by $3ab^2c$
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$12a^3b^3c^3$
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$2a^3b^3c^3$
0%
$12a^3b^2c^3$
0%
$12a^3b^3c^2$
Multiply $-3x^2$ by $4x^2y$
0%
$-12x^4y^2$
0%
$12x^4y$
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$-12x^4y$
0%
$-2x^4y$
Multiply $-\frac {5}{4} ab^2$ by $\frac {7}{8}a^2b^3$
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$-\frac {35}{36} a^3b^5$
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$-\frac {35}{32} a^3b^5$
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$\frac {35}{32} a^3b^5$
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$-\frac {35}{32} a^3b^3$
Find the product of $\frac {3}{4}x^3y^2$ and $\frac {4}{5}x^2y$
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$\frac {1}{5} x^5y^3$
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$\frac {2}{5} x^5y^3$
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$\frac {3}{5} x^5y^2$
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$\frac {3}{5} x^5y^3$
Find the product of $(-\frac {5}{16} x^2y^3)$ , $(-\frac {4}{5}x^3y^2)$
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$\frac {3}{4} x^5y^2$
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$\frac {1}{4} x^5y^5$
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$\frac {3}{4} x^5y^5$
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$\frac {1}{8}x^5y^5$
Multiply $-\frac {7}{15}a^2b^3c$ , $\frac {3}{14}a^3b^2c^3$
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$-\frac {1}{10} a^5b^5c^4$
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$-\frac {1}{10} a^4b^5c^4$
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$-\frac {1}{10} a^5b^4c^4$
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$-\frac {1}{10} a^5b^5c^5$
$(3b^2c^3 ) \times (-5a^2c^2) \times (4a^3b^2)$
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$-60a^5b^4c^5$
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$60a^5b^4c^5$
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$-60a^5b^43c^5$
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$-60a^6b^4c^5$
Multiply $-5/4 x^2y$ by $3/5 x^3y^2$ and find the result when x =3 , y=2
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-1458
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1458
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-1459
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-1358
Multiply and find $3x^2y^3 \times \frac {1}{15} xy^2$ when x = 2 and y =3
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1944/3
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1942/5
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-1944/5
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1944/5
Multiply $2x^2 \times (x+5y)$
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$2x^3 + 10x^2y$
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$2x^2 + 10x^2y$
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$2x^3 + 10x^2y^2$
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none of these
Find the product $5x^2 \times (4x-6)$ And find the result when x = 3
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271
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270
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-270
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-271
Simplify $8x^2 + 3(x +2 ) -2x(3x+2)$
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$2x^2 +x +6$
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$2x^2 -x -6$
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$2x^2 +x -6$
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$2x^2 -x +6$
$(2x +3y) \times (3x-5y)$
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$6x^2 –xy -15y^2$
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$6x^2 +xy -15y^2$
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$6x^2 –xy +15y^2$
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$6x^2 +xy +15y^2$
$(3x +5) \times (5x+6)$
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$15x^2 +40x +30$
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$15x^2 -43x +30$
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$15x^2 +43x -30$
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$15x^2 +43x +30$
Shiv works in a mall and gets paid Rs 50 per hour. Last week he worked for 7 hours and this week he will work for x hours. Write an algebraic expression for the money paid to him for both the weeks
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7xx + 50
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50 x + 7
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7 (x + 50)
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50 (x + 7)
From the sum of $x^2 – y^2 – 1$, $y^2 – x^2 – 1$ and $1 – x^2 – y^2$ subtract $ - (1 + y^2)$.
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$x^2 +y^2$
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$x^2 -y^2$
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$-x^2$
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$-y^2$
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