Question 17: What are the x and y intercept(s) of f(x)?
D. x-intercepts: -5,1; y-intercept: -1
Question 25: Solve 9x2+49=0
A. No Real Solution (i)
Question 28: What does the imaginary number i represent?
C.
Question 31: The graph of which equation would be a circle with a center at (0,-3) and a radius of 3?
C. x2+(y+3)2=9
Question 40: Subtract 2xy3-3xy3
C. -xy3
Question 18: What is the vertex of f(x)? It is a maximum or a minimum?
B. (3,-5); minimum
Question 22: Solve x2+10x=39
C. x=3 or -13
Question 29: What of the following is equivalent to
C.
Question 32: Write the standard form of the equation of the circle with radius 7 and center at (0,0).
B. x2+y2=49
C. (-3,8), (2,3)
Question 16: What must be done to the graph of f(x)=|x| to obtain the graph of the function g(x)=3/7 |x+4| -10?
C. The graph of f(x) is shifted left 4 units, vertically shrunk by a factor of 3/7, and shifted down 10 units.
Question 21: Solve -4x2=5x+9
D. no real solution
Question 30: Which of these expressions is equal to 4-7i?
B. (6+i)-(2+8i)
Question 34: Write an equation for a circle with center at (5,-2) and diameter of 8 centimeters.
B. (x-5)2+(y+2)2=16
Question 36: Solve the system
C. (-1,0), (4,40)
Question 19: Sketch the parent graph and translate it to obtain a graph of y+4=|x-5|
B.
Question 23: What are the solutions of the equation x2=23+2x?
B.
Question 27: When 2x2-20x+49=19 is written in the form (x-p)2=q, what is the value of q?
B. 10
Question 33: Find the center and radius of x2+y2+2x-10y+10=0.
D. center (-1,5); r=4
Question 39: Solve
C. a=1, b=3, c=-4
Question 20: Solve (13x-7)2=110
B.
Question 24: Solve 36x=-4x2-50
D.
Question 26: Which equation shows x2+8x+9=0 after the method of completing the square has been applied?
B. (x+4)2=7
Question 35: Which of the following points could be the vertex of the right angle?
C. (x,k)
Question 38: The graph of which equation does not intersect the graph of y=x2-2x-1
C. y=-4x-3