Questions

[3 marks sum]

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10 questions · timed · auto-graded

Question 13 Marks
Solve for $x$ and give your answer correct to 2 decimal places.
$\frac{x+1}{2 x+5}=\frac{x+3}{3 x+4}$
Answer
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Question 23 Marks
Solve the equation $2 x^2+\sqrt{5} x-5=0$ using formula, write your answer correct to 2 decimal places.
Answer
Self
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Question 63 Marks
Show that the equation $2\left(p^2+q^2\right) x^2+2(p+q) x+1=0$ has no real roots when $p \neq q$.
Answer
Self
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Question 103 Marks
Find the value of $k$ for which the following equation has equal roots.
$x^2+4 k x+\left(k^2-k+2\right)=0$
Answer
Self
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[3 marks sum] - Mathematics STD 10 Questions - Vidyadip