Question

TOTAL
Choose the correct option.
(1x4= 14mark
1. If one zero of the quadratic polynomial x² + 3x + k is 2, then the value of k is
(a) 10 (b) -10 (c) 5 (d) -5
2. If the zeroes of the quadratic polynomial x2 + (a + 1) x + b are 2 and -3, then
(a) a = -7, b = -1 (b) a = 5, b = -1
(c) a = 2,b= -6
(d) a-0, b = -6
3. The pair of equations 3x - 5y = 7 and - 6x + 10y = 7 have
(a) a unique solution (b) infinitely many solutions
(c) no solution
(d) two solutions
4 The graph of x = -2 is a line parallel to the
(a) x-axis
(b) y-axis
(c) both X- and y-axis (d) none of these
5. The quadratic equation has degree
(a) 0 (b) 1 (c)2 (d) 3
6. The equation (x - 2)2 + 1 = 2x - 3 is a
(a) linear equation (b) quadratic equation
(c) cubic equation (d) bi-quadratic equation
7. The nth term of an A.P.5, 2, -1, -4,-7 ... is​

Answer 1

Answer:

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