(a) What are the terms of the expression?
(b) Find the value of the expression if a is , b is 4, x is -2 , and y is 3.
B1
11. 2ax - 10a + 1
Solve the equation for the indicated variable.
C1
67. S = 1.2^0.4; for A
C2
Complete the square for the given expression.
11. x^2 + 7x + = (x + 2)^2
Solve the equation by factoring or using the Quadratic Formula.
27. x^2 + 3x + 1 = 0
D1
A pair of points is given.
(a) Plot the points in a coordinate plane.
(b) Find the distance between the points.
(c) Find the midpoint of the line segment that joins the points.
19. (6, - 2), (- 1, 3)
D2
Find the center and radius of the circle, and sketch its graph.
39. (x + 3^2 + (y – 4^2 = 25