1) What is the domain of a linear function? a) All real numbers b) Positive integers c) Negative integers d) Whole numbers 2) What is the rate of change in a linear function? a) Slope b) Intercept c) Vertex d) Axis 3) Which graph represents a linear function? a) Straight line b) Parabola c) Circle d) Ellipse 4) What is the slope of a horizontal line? a) Zero b) Undefined c) Positive d) Negative 5) What is the slope of a vertical line? a) Undefined b) Zero c) Positive d) Negative 6) Which equation is linear? a) y = 2x + 3 b) y = x^2 + 1 c) y = 1/x d) y = x^3 7) What is the y-intercept of y = 3x + 4? a) 4 b) 3 c) 0 d) -4 8) Which pair of lines are parallel? a) Same slope b) Same intercept c) Perpendicular d) Intersecting 9) What is the slope of y = -5x + 2? a) -5 b) 5 c) 2 d) 0 10) Which equation represents a nonlinear function? a) y = x^2 + 2 b) y = 2x + 3 c) y = -x + 1 d) y = 3x 11) What is the solution to the system: y = 2x + 3, y = -x + 1? a) (1, 5) b) (1, 2) c) (1, 1) d) (2, 7) 12) Which lines are perpendicular? a) Slopes are negative reciprocals b) Same slope c) Same intercept d) Parallel 13) What is the graph of y = 0? a) Horizontal line b) Vertical line c) Diagonal line d) No line 14) What is the x-intercept of y = 4x - 8? a) 2 b) 4 c) -2 d) 0 15) What is the slope of y = 0.5x + 7? a) 0.5 b) 7 c) 0 d) -0.5 16) Which function is linear? a) y = 3x - 1 b) y = x^3 c) y = 1/x d) y = x^2 17) What is the slope-intercept form of a line? a) y = mx + b b) ax + by = c c) x = my + b d) y = ax^2 + bx 18) Which equation is not linear? a) y = x^2 + 3 b) y = 4x + 1 c) y = -x + 5 d) y = 2x 19) What is the solution to y = 3x + 1, y = 3x - 2? a) No solution b) Infinite solutions c) (0, 1) d) (1, 3) 20) What is the slope of y = 7? a) 0 b) 7 c) Undefined d) 1

Linear Functions and Relationships Quiz

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