Std. X Unit test - 1
Duration : 1hr MATHEMATICS I Marks : 20
CHAPTERS - 1 and 2
Q.1. (A) CHOOSE THE CORRECT ALTERNATIVE : 4
1. To solve x + y = 3 ; 3x – 2y – 4 = 0 by determinant method find D.
(i) 5 (ii) 1
(iii) –5 (iv) –1
2. 5 m2 – 5 m + 5 = 0 which of the following statement is true for this given
equation ?
(i) real and unequal roots
(ii) real and unequal roots
(iii) no real roots
(iv) three roots
5 3
3. Find the value of
–7 –4
(i) –1 (ii) –41
(iii) 41 (iv) 1
4. For 2 x2 – 5x + 2 = 0, find the value of the discriminant.
(i) –5 (ii) 17
(iii) 2 (iv) 2 2 –5
Q.1. (B) Solve the following : (Any 2) 4
1. Determine the nature of roots of the following quadratic equation.
2y2 – 7y + 2 = 0
7 5
3 3
2. Find the values of the following determinant : 3 1
2 2
3. Determine whether the values given against the quadratic equation are the
roots of the equation.
5
2m2 – 5m = 0, m = 2,
2
Duration : 1hr MATHEMATICS I Marks : 20
CHAPTERS - 1 and 2
Q.1. (A) CHOOSE THE CORRECT ALTERNATIVE : 4
1. To solve x + y = 3 ; 3x – 2y – 4 = 0 by determinant method find D.
(i) 5 (ii) 1
(iii) –5 (iv) –1
2. 5 m2 – 5 m + 5 = 0 which of the following statement is true for this given
equation ?
(i) real and unequal roots
(ii) real and unequal roots
(iii) no real roots
(iv) three roots
5 3
3. Find the value of
–7 –4
(i) –1 (ii) –41
(iii) 41 (iv) 1
4. For 2 x2 – 5x + 2 = 0, find the value of the discriminant.
(i) –5 (ii) 17
(iii) 2 (iv) 2 2 –5
Q.1. (B) Solve the following : (Any 2) 4
1. Determine the nature of roots of the following quadratic equation.
2y2 – 7y + 2 = 0
7 5
3 3
2. Find the values of the following determinant : 3 1
2 2
3. Determine whether the values given against the quadratic equation are the
roots of the equation.
5
2m2 – 5m = 0, m = 2,
2
