Factor: x2 - 15x + 36
(x-12)(x-3)
Where is the middle of the numbers 12 and 38.
25
(x+3)+(2x-1) + 28= 180
x=50
Find the slope of the line containing points (5, 9) and (12, 6)
-3/7
The two legs of a right triangle are both 3 inches. How long is the hypotenuse?
sqrt 18 inches or 3 sqrt 2 inches
(did you remember units? we will let it slide this time!)
Factor: x2+10x-24
(x+12)(x-2)
Where is the middle of the numbers -5 and 17.
6
(5x)+(10-x)=90
x=20
Find the equation of a line with a slope of -3/5 goes through the point (-10, 8).
y=-3/5x+2
One leg of a right triangle is 8 ft and the hypotenuse is 10 feet. How long is the other leg?
6 feet (must have feet!!!)
Factor: 2x2+7x+6
(x+2)(2x+3)
Where is the middle of the points (3, 8) and (9, -2)
(6, 3)
(3x+7)+129 + (7x-4) + 118 = 360
x=11
Find the equation of a line parallel to the line y = -2/3x + 3 and goes through the point (12, 1).
y=-2/3x+9
Find the distance between the points. (8, 1) and (11, 5)
5 units
Factor: 8x2 - 2x - 3
(4x-3)(2x+1)
One endpoint is at (-5, 3) and the midpoint is at (-5, 13). Where is the other endpoint?
(-5, 23)
Angle A = 2x+28 and Angle B = 3x+12. Given the angles are complementary, find x.
x=10
Find the equation of a line perpendicular to the line y = -2/3x + 3 and goes through the point (12, 1).
y=3/2x-17
Find the distance between the points. (5, -3) and (11, 5)
10 units
Factor completely: 16x3+4x2-2x
2x(2x+1)(4x-1)
One endpoint is at (10, 2) and the midpoint is at (1,7). Where is the other endpoint?
(-8, 12)
Angle A = 4x+5 and Angle B = 5x+22. Given the angles are supplementary, find x.
x=17
Find the equation of a line that goes through the points (-2, -1) and (1, 8).
y=3x+5
Find the distance between the points. (-4, 2) and ( 8, -3)
13 units