Question

Which of the following has a graph that is a straight line?

Equation 1: y = 2x + 7
Equation 2: y2 = x − 1
Equation 3: y = 2x2 + 4
Equation 4: y = 3x3

Answer 1

@Michele_Laino

Answer 2

Ohmgah

Answer 3

@freckles @gabbyalicorn @phi @Data_LG2 @dan815 @ikram002p

Answer 4

im sorry im not good at math

Answer 5

ok can you tag someone who you kno is good?

Answer 6

is y2, y to the power of 2?

Answer 7

equation 1 is a linear/sloped straight line
equation 2 is a quadratic
equation 3 and 4 is also a line, but horizontal line