Graphing Linear Functions
Q2. What is the slope of the equation y=-3x + 5?
b. -3
Q7. What makes two lines parallel?
b. Their equations have the same slope
Q11. How many solutions does this system of equations have?
b. No solutions
Q12. Simplify x^6 * x^2 / x^4 using only positive exponents.
a. x^4
Q24. Which of the following functions is written in vertex form?
d. (x+9)^2 - 1
Q1. Find the x and y-intercepts of the graph of the linear equation 3x + 5y = 15.
b. x-intercept: (5,0) ; y-intercept: (0,3)
Q5. Which equation represents a line with a slope of -1/4 and a y-intercept of 8?
b. y= -1/4x + 8
Q8. Use the graph to solve the system of linear equations, 6y + 3x = 18 and -x + 4y = 24.
c. (-4, 5)
Q13. Find the difference of (-3p^3 + 5p^2 - 2p)-(-p^3 - 8p^2 - 5p)
a. -2p^3+13p^2+3p
Q25. Find the median of 3, 5, 1, 4, 1, 1, 2, 3, 15.
b. 3
Q3. Find the slope, m, between the points (0,4) & (3,-5).
b. -3
Q6. Write an equation in point-slope form of the line that passes through (-1, 2) and (1,-4).
d. y - 2 = -3 (x + 1)
Q9. What is the first step to solve this system using substitution? y = 7 - 2x and 3x + 4y = 8
b. Substitute “7-2x” for y in the second equation
Q14. Find the product of
(x-7)(x+3).
b. x^2 - 4x - 21
Q20. Find the solution/s of this equation x^2 + 5 = 9
a. x=2, -2
Q4. Which equation represents a shift of an absolute value graph left 3 units and up 2 units?
c. f(x) = |x+3| + 2
Q24. Which of the following functions is written in vertex form?
d. (x+9)^2-1
Q10. Solve the system of linear equations by elimination. 3x + 4y = 50 and x - 4y = -26
c. (6,8)
Q15. Find the product of (3x-1)^2.
d. 9x^2 - 6x + 1
Q21. How would the graph of g(x)=x^2+1 differ from the parent function f(x)=x^2?
a. The graph of g is a vertical translation 1 unit up of the graph of f
Q19. Use the graph to identify the solutions to the quadratic function.
b. No real solutions
Q18. Which of the following can we apply the Difference of Squares pattern to?
c. 16x^2 - 49
Q17. What is the solution to (x - 3)(x + 9) = 0?
d. x = 3 and x = -9
Q16. Solve (2x - 8)(3x + 12) = 0.
a. x = 4 and x = -4
Q23. What is the value of the axis of symmetry in the function, g(x)=2x^2-8x+5?
c. 4