Quadratic Equations Find the solutions
-64+k2=0
8, -8
Simplify 24
16
Simplify the following expression:
(x + 2)(2x - 3)
2x2 + x - 6
Write the equation of the line parallel to y=3/4x - 5 that goes through the point (0, 3)
y = 3/4x + 3
3x + y = 6
4x - y = 15
(3, -3)
b2 + 8 b + 7
(b+7)(b+1)
–4z2 + 13z – 3 = 0
1/4, 3
What is 93?
729
(x3 - 5x)(x2+3)
x5 -2x3 -15x
What is the slope of the line that is perpendicular to the line y = 2x + 7?
- 1/2
y = -3x + 12
y = x + 8
(1, 9)
n2-11n+10
(n-10) (n-1)
–w2 + 6w + 72 = 0
-6, 12
What is 25?
32
3xy(4x2y +7x - 2y)
12x3y2 +21x2y -6xy2
Solve for x
-4(x + 7) = 2x + 8
-6
3y = 5x - 15
6y = -10x + 90
(6, 5)
3m2+6m-72
3(m+6)(m-4)
–h2 – 4h + 5 = 0
-5, 1
What is the value of the square root of 121?
+11 and -11
(4x - 9)2
16x2 - 72x + 81
Write the equation 9x - 3y = 12 in slope intercept form
y = 3x - 4
Describe a system with no solutions
slopes are the same and y-intercepts are different ...
parallel lines
25x2 - 81
(5x + 9)(5x - 9)
y2 + 8y = 0
0, -8
What is the value of the square root of -25?
no real solutions
(3x + 4)(3x - 4)
9x2 -16
Solve for x
2x + 4 = 5(x - 7)
13
Find k so that the system has infinite solutions
-3x + ky = 6
9x - 6y = -18
2 = k
5p2+55p+50
5(p+10) (p+1)