Time 1hr
Marks 20 / Passing 12 Topic Quadratic Equations 2.4
Q1. Solve Quadratic Equations Using Formula.
1) `x^2+x+5=0` (2M)
2) `m^2-14m+13=0` (3M)
Q2. Compare with Quadratic Equation to the General Form and Write a, b, c. (3M)
1) `x^2+7x+5=0`
2) `m^2=5m-5`
3) `y^2=5y`
Q3. Find the x by Using Formula Method. (3M)
`x^2+2\sqrt3x+3=0`
Q4. Write Nature of Roots of a Quadratic Equation. (2M)
1) `b^2-4ac>0`
2) `b^2-4ac<0`
Q5. Determine Nature of Roots of the Quadratic Equations. (4M)
1) `x^2+2x-9=0`
2) `2x^2-5x+7=0`
Q6. If `\alpha` and `\beta` are the Root of the Quadratic Equations `2x^2+6x-5=0`
Find `\alpha+\beta` , `\beta\times\alpha` (2M)
Q7. Obtain the Quadratic if Root are `\alpha=-3` or `\beta=-7` Write the Quadratic Equation. (1M)
Answer Key
.png)
