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Suppose the quadratic equation ax² + x-c = 0 has two real roots r1 and r2. If r1+r2 = r1×r2 = -1/2, then c is equal to ____________
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What is the solution set of the system of linear equations x+ y = 7 and 2x +3y = -3 ?
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The solution set of the quadratic equation x² + 6x +8 = 0 is__________.
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Let f(x) = ax + b, and f(1) = 5 and f(2) = 12, then what are the values of a and b respectively ?
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Which of the following is NOT true about the function f(x) = 3x + 6 ?
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Let A = {2, 4, 6} and B = {1, 3, 5}, if R is a relation from A to B given by R = {(x, y): y = x -1}, then which of the following can be the elements of R?
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Let A = {1, 2, 4, 6, 7} and B = {5, 12, 7, 9, 8, 3} then which of the following relation can be ordered pairs (x, y) Wich satisfy x is greater than y where x an element of A and y an element of B?
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What is the new value of b when the graph of f(x) = x² + 4x + 3 is shifted up 2 units and to the left 3 units( if f(x) = ax² + bx + c) ?
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Let f(x) = 2ax² + x - 4, and f(1) = 0 then what is the value of a ?
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To find y - intercept of the function f(x) = ax + b, we put ________ at x, and solve for y.
