Question

4
Q.1. Four alternative answers are given for every sub-question. Select
the correct alternative and write the alphabet of that answer.
1. The pair of equations x = 0 and x = 5 has
(a) no solution
(b) unique/one solution
(c) two solutions \ldfinfinitely many solutions
2. The cubic equation has degree
(a) 1
(c) 3
(d) 4
3. If Dx = 49, Dy = -72, D = 7, then find the value of x = ?
(a) 7
(b)-7
(c)
(d)-1
4. One of the roots of equation x² + mx - 5 = 0 is 2. find m.
1
(a) -2
(c) 1
(d) -
2
(b) 2
(b) /​

Answer 1

Answer:

x=3 by 2

Step-by-step explanation:

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