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10 questions
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- Q1Which of the following functions is not linear?y = x^2 + 3y = 2x + 5y = 0.5x - 4y = -3x30s8.F.A.3
- Q2Which of these equations does not describe a linear function?y = 2^xy = 3x - 4y = -1/2x + 5y = 0.25x + 1030s8.F.A.3
- Q3What does the 'b' in the linear equation y = mx + b represent?The maximum value of yThe y-intercept of the lineThe slope of the lineThe x-intercept of the line30s8.F.A.3
- Q4If the equation of a line is y = 5x + 2, what does the '5' represent?The slope of the lineThe x-intercept of the lineThe y-intercept of the lineThe curvature of the line30s8.F.A.3
- Q5Which expression represents a linear function?y = (1/2)x^3 - xy = 3x^2 + 2y = sqrt(x) + 1y = 4x - 730s8.F.A.3
- Q6Which function is an example of a non-linear function?y = -2x - 7y = 5x + 1y = x^3 - 2xy = 4x30s8.F.A.3
- Q7What characteristic is unique to linear functions?Their output values decrease as input values increase.Their equations involve variables to the second power.Their graphs are straight lines.Their graphs are parabolas.30s8.F.A.3
- Q8If a graph of a function is a straight line that passes through the origin, what can be said about the equation of this function?The slope of the line is 0.The function is non-linear.It does not have a y-intercept other than 0.It can be represented by y = x^2 + 1.30s8.F.A.3
- Q9Which of these equations represents a function whose graph will not be a straight line?y = 2x - 3y = -4x + 1y = 0.5x + 5y = x^2 + 630s8.F.A.3
- Q10Which of the following represents a linear equation?y = 1/xy = x^2 - 4x + 4y = 3^xy = -7x + 330s8.F.A.3