Question
If x^2 - 7x + k = 0 has roots that are equal, what is
the value of k?Solution
For equal roots, the discriminant must be zero: b^2 - 4ac = 0 → (-7)^2 - 4(1)(k) = 0 49 - 4k = 0 4k = 49 k = 49/4 = 12.25.
Find which one of the given words cannot be made from the letters of the given word.
‘ FORWARD ’
...Statement: Â Â Â Â Â Â Â
Some Cream are Lotion. Â Â Â Â Â Â
No Lotion is Oil. Â Â Â Â Â Â Â
No Cream is Shampoo. Â Â Â Â Â
Which letter would be the third from left end of the meaningful english word that can be formed by using third, fifth, seventh and fourth letters from t...
In the word ‘PUNISHMENT’, first all the letters are written in an alphabetical order form, then remove all the vowels from the arrangement then how ...
From the given options, select the word, which cannot be formed using the letter of the word 'DETERMINATION' (Each letter of the word can be used at mo...
In the following question, a group of letters is given which are numbered 1, 2, 3, 4, 5 and 6. Below are given four alternatives containing combinatio...
Which among the following words cannot be formed using the letters of the given word only once?
BIOTECHNOLOGY
Which among the following words can be formed using the letters of the given word only once?
POTASSIUM
Find which one of the given words cannot be made from the letters of the given word.
‘ ENCOURAGEMENT ’
...From the given alternative words, select the word which cannot be formed using the letters of the given word only once.
DEMOCRATIZATION
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