for the quadratic equation x2-14x+k=0 to have a single solution what should be the value of k
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Answer:
K = 49
Step-by-step explanation:
x² -14x + k = 0 is the form ax² + bx + c = 0
where, a = 1, b = -14, c = k
=> b² - 4ac = 0
=> -14² - 4×1×k = 0
=> 196 - 4k =0
=> -4k = -196
=> k = -196/-4
=> k = 196/4
=> k = 49
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