Wjsjdhejebdbdbrheidn
Answered

IDNStudy.com, kung saan ang iyong mga tanong ay natutugunan ng mabilis na sagot. Tuklasin ang mga kumpletong sagot sa iyong mga tanong mula sa aming komunidad ng mga eksperto.

NONSENSE = REPORT

1. What is the nature of the roots of a quadratic equation whose discriminant is zero ?
A. Not real
B. Real and equal
C. Irrational and not equal
D. Rational and not equal
2. What is the sum of the roots of the quadratic equation m² + 2m - 5 = 0 ?
A. - 2
B. 2
C. - 5
D. 5
3. Which of the following equations represents a quadratic function ?
A. y = 5x + 2
B. y = x² - 8
C. 2y² = - 6 + 3x
D. y = 3x + 2²
4. What is the vertex of the quadratic function on the right ?
A. ( 0 , 1 )
B. ( 0 , - 1 )
C. ( - 1 , 0 )
D. ( 1 , 0 )
5. Which of the following equations has a graph obtained by moving the graph of
y = x² , 3 units to the right ?
A. y = ( x + 3 ) ²
B. y = 3x²
C. y = ( x - 3 ) ²
D. y = - 3x²
6. Which of the following situations shows direct variation ?
A. Number of items unsold and commision of the seller.
B. Fare of the passenger to the distance of destination.
C. Number of students in a classrooms and size of available space.
D. Speed of the car to the time spends in travelling a certain distance.
7. A car travels a distance ( d ) kilometer in t hours. The formula that relates d to t is d = kt. if k = 10, what is the variation statement ?
A. d = 10 t
B. d = 20 t
C. d = 30 t
D. d = 40 t
8. What is ( 3² + 5x ) ?
A. 0
B. 1
C. 3² + 5x
D. 9 + 5x




​

Sagot :

Thaddyingidn

1.What is the nature of the roots of a quadratic equation whose discriminant is zero?

- B. REAL AND EQUAL

2.What is the sum of the roots of the quadratic equation m² + 2m - 5 = 0?

- A. -2

3.Which of the following equations represents a quadratic function ?

- A. y = 5x + 2

4.What is the vertex of the quadratic function on the right ?

- B. ( 0 , - 1 )

5.Which of the following equations has a graph obtained by moving the graph of

y = x² , 3 units to the right ?

- B. y = 3x²

6.Which of the following situations shows direct variation ?

- A. Number of items unsold and commision of the seller.

7.A car travels a distance ( d ) kilometer in t hours. The formula that relates d to t is d = kt. if k = 10, what is the variation statement ?

- A. d = 10 t

8.What is ( 3² + 5x ) ?

- D. 9 + 5x

Pinahahalagahan namin ang bawat ambag mo. Magpatuloy sa pagtatanong at pagbibigay ng mga sagot. Sama-sama tayong magtutulungan upang makamit ang ating mga layunin. Bumalik ka sa IDNStudy.com para sa maasahang mga sagot sa iyong mga katanungan. Salamat sa iyong tiwala.