VincenTragosta - Tanya, Jawab, dan Belajar Tanpa Batas Logo

In Mathematics / Middle School | 2014-11-09

What is the slope and the y-intercept of each equation?

1. \(12x + 3y = 9\)

2. \(6x - 2y = 2\)

3. \(2x + 5y = 10\)

4. \(9x - 3y = -1\)

5. \(4y + 6x = 2\)

6. \(8y - 2x = 5\)

7. \(5x + 5y = 3\)

8. \(-4y = 16\)

9. \(6x = 12\)

Asked by Michelleeee

Answer (3)

T h e s l o p e − in t erce pt f or m : y = m x + b m − t h e s l o p e ; b − y − in t erce pt
( 1 ) 12 x + 3 y = 9 3 y = − 12 x + 9 ∣ d i v i d e b o t h s i d es b y 3 y = − 4 x + 3 m = − 4 ; b = 3 ​ ( 2 ) 6 x − 2 y = 2 − 2 y = − 6 x + 2 ∣ d i v i d e b o t h s i d es b y ( − 2 ) y = 3 x − 1 m = 3 ; b = − 1 ​
( 3 ) 2 x + 5 y = 10 5 y = − 2 x + 10 ∣ d i v i d e b o t h s i d es b y 5 y = − 5 2 ​ x + 2 m = − 5 2 ​ ; b = 2 ​ ( 4 ) 9 x − 3 y = − 1 − 3 y = − 9 x − 1 ∣ d i v i d e b o t h s i d es b y ( − 3 ) y = 3 x + 3 1 ​ m = 3 ; b = 3 1 ​ ​
( 5 ) 4 y + 6 x = 2 4 y = − 6 x + 2 ∣ d i v i d e b o t h s i d es b y 4 y = − 4 6 ​ x + 4 2 ​ y = − 2 3 ​ x + 2 1 ​ m = − 2 3 ​ ; b = 2 1 ​ ​ ( 6 ) 8 y − 2 x = 5 8 y = 2 x + 5 ∣ d i v i d e b o t h s i d es b y 8 y = 8 2 ​ x + 8 5 ​ y = 4 1 ​ x + 8 5 ​ m = 4 1 ​ ; b = 8 5 ​ ​
( 7 ) 5 x + 5 y = 3 5 y = − 5 x + 3 ∣ d i v i d e b o t h s i d es b y 5 y = − x + 5 3 ​ m = − 1 ; b = 5 3 ​ ​ ( 8 ) − 4 y = 16 ∣ d i v i d e b o t h s i d es b y ( − 4 ) y = − 4 m = 0 ; b = − 4 ​ ( 9 ) 6 x = 12 ∣ d i v i d e b o t h s i d es b y 6 x = 2 m an d b n o t e x i s t ​

Answered by Anonymous | 2024-06-10

y = m x + b m → t h e s l o p e b → y − in t erce pt − − − − − − − − − − − − − − − − − − − − − − − − − − − 1 ) 12 x + 3 y = 9 ⇒ 3 y = − 12 x + 9 / : 3 . y = − 4 x + 3 ⇒ m = − 4 an d b = 3 2 ) 6 x − 2 y = 2 ⇒ − 2 y = − 6 x + 2 / : ( − 2 ) . y = 3 x − 1 ⇒ m = 3 an d b = − 1 3 ) 2 x + 5 y = 10 ⇒ 5 y = − 2 x + 10 / : 5 . y = − 5 2 ​ x + 2 ⇒ m = − 5 2 ​ an d b = 2
4 ) 9 x − 3 y = − 1 ⇒ − 3 y = − 9 x − 1 / : ( − 3 ) . y = 3 x + 3 1 ​ ⇒ m = 3 an d b = 3 1 ​ 5 ) 4 y + 6 x = 2 ⇒ 4 y = − 6 x + 2 / : 4 . y = − 2 3 ​ x + 2 1 ​ ⇒ m = − 2 3 ​ an d b = 2 1 ​ 6 ) 8 y − 2 x = 5 ⇒ 8 y = 2 x + 5 / : 8 . y = 4 1 ​ x + 8 5 ​ ⇒ m = 4 1 ​ an d b = 8 5 ​
7 ) 5 x + 5 y = 3 ⇒ 5 y = − 5 x + 3 / : 5 . y = − x + 5 3 ​ ⇒ m = − 1 an d b = 5 3 ​ 8 ) − 4 y = 16 / : ( − 4 ) . y = − 4 ⇒ m = 0 an d b = − 4 8 ) 6 x = 12 / : 6 . x = 2 ⇒ n o t e x i s t : t h e s l o p e an d t h e y − in t erce pt

Answered by kate200468 | 2024-06-10

The slope and y-intercept for each equation can be calculated by rearranging them into the slope-intercept form y = m x + b . Specific values are determined for each equation providing both the slope and y-intercept. For vertical lines such as the last equation, traditional slopes and intercepts do not apply.
;

Answered by Anonymous | 2024-11-06