Dois observadores que estão em posições coincidentes com os pontos A e B, afastados 120m entre si, medem simultaneamente o ângulo de elevação de um balão, a partir do chão, como sendo 30° e 75°, respectivamente, o balão está diretamente acima de um ponto no segmento de reta entre A e B.

-7/8

step-by-step explanation:

instead of subtracting you add the -6/8 and -1/8

step-by-step explanation:

let

we know that

the y-intercept is the y-coordinate of the point when the value of x is equal to zero

so

the y-coordinate of the point a is the y-intercept

the answer part a) is

the value of y-intercept is

part b) find the slope m

we know that

the value of the slope is equal to

substitute the values

therefore

the answer part b) is

the value of the slope is equal to

the general answer is

the slope is

the value of y-intercept is