Write whether the statement are true or false. Justify your answer.
Every quadratic equations has at most two roots.
Write whether the statement are true or false. Justify your answer.
Every quadratic equation has at least two roots.
Write whether the statement are true or false. Justify your answer.
Every quadratic equation has at least one real root.
Write whether the statement are true or false. Justify your answer.
Every quadratic equation has at least one real root.
Write whether the statement are true or false. Justify your answer.
Every quadratic equation has exactly one root.
(x2 + 1)2 – x2 = 0 has
(A) four real roots (B) two real roots
(C) no real roots (D) one real root.
Values of k for which the quadratic equation 2x2 – kx + k = 0 has equal roots is
(A) 0 only (B) 4 (C) 8 only (D) 0, 8
If 1/2 is a root of the equation x2 +kx – 5/4 = 0, then the value of k is
1 (A) 2 (B) – 2 (C) 1/4(D)1/2
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