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Whitepunk [10]
3 years ago
8

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

Mathematics
2 answers:
Amiraneli [1.4K]3 years ago
5 0
y = 2x + 7 because it's a linear function.
Jet001 [13]3 years ago
5 0

Answer:

Equation 1: y = 2x + 7

Step-by-step explanation:

In general the equation of a straight line is:

y=mx+c where m is the slope of the line and c is the y intercept

Or we can say that a graph is a straight line if it is a linear function.

Equation 1: y = 2x + 7

It is a linear function hence, its graph is a straight line

Equation 2: y² = x − 1

 It is not a linear function hence, its graph is not a straight line

Equation 3: y = 2x² + 4

 It is not a linear function hence, its graph is not a straight line

Equation 4: y = 3x³

It is not a linear function hence, its graph is not a straight line

Hence, The equation whose graph is a straight line is:

Equation 1: y = 2x + 7

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