1.
a. Solve using the quadratic formula if a = 3, b = 4, and c = 1.
b. Solve using the quadratic formula if a = 1, b = -4, c = 4.
c. Solve using the quadratic formula if a = 7, b = -8, c = 1.
d. Solve using the quadratic formula if a = 3, b = -4, c = 1.
e. Solve using the quadratic formula if a = 7, b = -8, c = 1.
2.
a. The _________________ is the part of the quadratic formula that is under the
square root .
b. If the discriminant is equal to 0, then there is a _______________ solution .
c. Solve by using the quadratic formula: 2x2 + 4x – 3
d. Solve by using the quadratic formula: 4x2 – 16x + 15
e. Solve by using the quadratic formula: 2x2 + 2x – 8
3.
a. If a rectangle has a length of x + 8 and a width of x - 5 and the area is 40,
what
does x equal?
b. If a rectangle has a length of 2x and a width of x - 5 and the area is 20,
what
does x equal?
c. If a rectangle has a length of x + 10 and a width of x - 2 and the area is
10,
what does x equal?
d. The area of a circle is 153.94 inches squared. What is the radius?
e. A rectangle has sides that equal x + 12 and x – 2 and an area of 120. What
does x equal?