|
Since
4 is the root of the given quadratic equation.
|
|
∴
It satisfies the given equation
|
|
∴
We can put x = 4 in the given quadratic equation
|
|
x2
– 7x + k =0 [Given}
|
|
∴
42 – 7(4) + k = 0
|
|
∴
16 – 28 + k = 0
|
|
∴
- 12 + k = 0
|
|
k
= 12
|
|
|
|
Answer:
The value of k is 12
|
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If one root of the quadratic equation x2 – 7x + k = 0 is 4, then find the value of k.
Worksheets
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Cursive Writing – Small Letters
Write the First Letter of Given Picture
Circle the Correct Letter Worksheets
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Match the Letter with Correct Picture
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Circle two pictures that begin with same letter sound
Circle two pictures that begin with same letter sound (Cursive)
Look and write with vowels a, e, i, o, u
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Hindi
Hindi Alphabets. (Swar)
Hindi Alphabets. (Vanjan)
Colours name in Hindi | रंगों के नाम
Fruits name in Hindi | फलों के नाम
Vegetables name in Hindi | सब्जियों के नाम
Hindi Vyanjan Tracing Worksheets
Write the First Letter of picture - Hindi Swar Worksheets
Look and Match - Hindi Swar Worksheets
Circle the correct letter - Hindi Swar Worksheets
Write the first letter - Hindi Vyanjan Worksheets
Circle the Correct Letter - Vyanjan Worksheets
Choose the Right Image - Vyanjan Worksheets
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AA (ा) – AA ki Matra | आ (ा) की मात्रा
i ( ि) - i ki Matra | इ ( ि) की मात्रा
EE ( ी) – EE ki Matra | ई ( ी) की मात्रा
U (ु) - U ki Matra | उ (ु) की मात्रा
O (ू ) – OO ki Matra | ऊ (ू) की मात्रा
E ( े) - E ki Matra | ए ( े ) की मात्रा
AI (ै) - AI ki Matra | ऐ (ै)की मात्रा
o ( ो) - o ki Matra | ओ (ो) की मात्रा
ou ( ौ) - ou ki Matra | औ ( ौ) की मात्रा
General Knowledge.
Match the following.
Match the fruit to its shadow. [5 Pages]
Match Letters [35 Pages]
Match the uppercase letter to its lowercase [6 Pages]
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Cursive Alphabet Trace and Write
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Beginning Sounds. Kindergarten Worksheet
Cursive Writing Small Letters.
Consonant Vowel Consonant (CVC) Flashcards
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English Alphabet Color it and Match it with Pictures.
Alphabet Color it. [26 Pages]
Alphabet Color it 2. [7 Pages]
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Numbers 1 to 10 Color it. [2 Pages]
1 to 10 Numbers Coloring. [4 Pages]
Flash Cards PDF.
Tell the Time Flash Cards [6 Pages]
Flashcards English vocabulary [12 Pages]
Alphabet Letters with Pictures [5 Pages]
Numbers Flash Cards. [5 Pages]
English Alphabet Learning Flash Cards. [26 Pages]
Alphabet Flashcards. [26 Pages]
Alphabet Identification Flash Cards. [26 Pages]
….
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