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

Question

makaylaqueen02ozgo83 makaylaqueen02ozgo83

27-10-2018
Mathematics

Answered

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 :

Other Questions

How do we change change a whole number to a fraction?

frika frika · Answer 1 · 2018-10-28T14:22:35-04:00

frika frika

28-10-2018

A straight line has an equation

[tex]y=mx+b.[/tex]

The only possible choice is A (m=2, b=7).

Note that equations 2 and 3 determine quadratic parabolas and equation 4 determines cubic parabola. All parabola (quadratic and cubic are not straight lines).

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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 :

Other Questions

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