Advertisements
Advertisements
Question
Write any two quadratic equations.
Solution
Two quadratic equations are \[x^2 + 10x - 200 = 0\] and \[x^2 + 5x - 6 = 0\].
APPEARS IN
RELATED QUESTIONS
A train covers a distance of 300 km at a uniform speed. If the speed of the train is increased by 5 km/hour, it takes 2 hours less in the journey. Find the original speed of the train
If the sum of the roots of the equation `kx^2+2x+3k=0` is equal to their product then the value of k
`(a) 1/3 (b)-1/3 (c)2/3 (d)-2/3`
The roots of a quadratic equation are 5 and -2. Then, the equation is
(a)`x^2-3x+10=0` (b)`x^2-3x-10=0` (c)x^2+3x-10=0 (d)`x^2+3x+10=0`
If the equation `4x^2-3kx+1=0` has equal roots then value of k=?
(a)`+-2/3` (b)`+-1/3`
(c)` +-3/4` (d) `+-4/3`
The length of a rectangular field exceeds its breadth by 8 m and the area of the field is `240 m^2` . The breadth of the field is
(a) 20 m (b) 30 m (c) 12 m (d) 16 m
The roots of the quadratic equation `2x^2-x-6=0`
(a)`-2, 3/2` (b) `2, -3/2`
(c)` -2, 3/2` (d) `2, 3/2`
If `x=-1/2` is a solution of the quadratic equation `3x^2+2kx-3=0`
Find the value of k.
Find the roots of the quadratic equation `2x^2-x-6=0`
If 1 is a root of the equation `ay^2+ay+3=0` and `y^2+y+b=0` then find the value of ab.
Solve `x^2+5x-(a^2+a-6)=0`
Decide whether the following equation is quadratic equation or not.
(m + 2) (m – 5) = 0
Decide whether the following equation is quadratic equation or not.
m3 + 3m2 – 2 = 3m3
Choose the correct answer for the following question.
\[\sqrt{5} m^2 - \sqrt{5}m + \sqrt{5} = 0\] which of the following statement is true for this given equation?
is the following equation quadratic?
\[\left( x + 2 \right)^2 = 2 x^2\]
Convert 15 : 20 into percentage.
If P(y) = y² - 2y + 5, find P(2) .
Write the degree of Polynomial 5x2 + 2x + 3x4 + 4.
Present age of mother of Manish is 1 year more than 5 times the present age of Manish. Four years before, if the product of their ages was 22, then find the present age of Manish and his mother
If both the roots of the quadratic equation x2 – 2kx + k2 + k – 5 = 0 are less than 5, then k lies in the interval is ______.
