Yang manakah adalah ungkapan kuadratik dalam satu pemboleh ubah?
[Which one is quadratic expression in one variable?]
Persamaan dan Fungsi Kuadratik
Quiz
•
Mathematics
•
10th - 11th Grade
•
Hard
Nur Kamariah
Used 14+ times
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12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Yang manakah adalah ungkapan kuadratik dalam satu pemboleh ubah?
[Which one is quadratic expression in one variable?]
x² + y² - 3x + 1
1/x² - 6
x - x² + 1
3x + 1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah nilai a, b dan c bagi ungkapan kuadratik berikut 4 – 2p – p² ?
[What is value a, b and c for the following quadratic expression 4 – 2p – p² ?]
a = 1, b = 2, c = 4
a = –1, b = –2, c = 4
a = 4, b = –2, c = –1
a = –2, b = –1, c = 4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tulis ungkapan kuadratik 4p(2 – p) dalam bentuk umum ax² + bx + c.
[Write the quadratic expression of 4p(2 – p) in the general form ax² + bx + c.]
–4p² + 8p
8p + 4p²
4p² – 8p
–8p – 4p²
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Nyatakan pintasan-y dan persamaan paksi simetri bagi fungsi kuadratik 𝑓(𝑥) = 2x² - 10x - 3.
[State y-intercept and equation of the axis of symmetry for quadratic function 𝑓(𝑥) = 2x² - 10x - 3.]
pintasan-y = 3, persamaan paksi simetri x = 2.5
pintasan-y = 3, persamaan paksi simetri x = -2
pintasan-y = -3, persamaan paksi simetri x = 2.5
pintasan-y = -3, persamaan paksi simetri x = 3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pintasan-x bagi suatu graf fungsi kuadratik adalah –3 dan 5. Apakah paksi simetri bagi graf tersebut?
[The x-intercept of the graph of quadratic function are –3 and 5. What is the axis of symmetry of the graph?]
x = –2
x = –1
x = 1
x = 2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Nilai yang mungkin bagi a adalah..
[A possible value of a is..]
3/2
5/2
3
7/2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
𝑓(𝑥) = 4x² – 4x + c, melalui titik (2, 5). Kira nilai c.
[𝑓(𝑥) = 4x² – 4x + c, passes through point (2, 5). Calculate the value of c.]
2
-3
3
5
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