Solve the following linear systems algebraically by elimination:
2x-3y=-5
-2x+7y+17
(2,3)
100
The ________ is the distance from any point on the circle to the center.
What is the radius
100
Solve for x to one decimal place:
Tan55=8/x
5.6
100
What does FOIL stand for?
First,Outside,Inside,Last
100
Expand and simplify the expression: (2x-3)(5x+2)
10x2-11x-6
200
Solve the following linear systems algebraically by Substitution:
2x+y=10
x+y=2
(11,12)
200
what is the radius equation?
r2=x2+y2
200
In triangle PQR, find the value of q, if R=73, Q=32, and r=23cm
q=12.7cm
200
Expand (4x+6)(x+2)
4x2+ 14x + 12
200
Factor each expression: 6m2-11m-10
(3m+2)(2m-5)
300
The Grain Co-op pays farmers $5.50 per bushel of soybeans,less a $35 processing fee. Soybean Inc. charges a $25 fee and pays $5.50 per bushel. Module this situation using linear system.
y=5.5x-35 and y=5.5x-25
300
The ________ is a lign that joins the vertex triangle of a to midpoint of the opposite side.
What is the medien
300
If sin 40°=x/12 what is the value of x ?
a)7.7
b)0.65
c)0.0589
d)17.5
a)7.7
300
Without graphing, how many zeros does the quadratic relation have.: y=-4(x-3)2
0
300
Complete the square: y=-3x2-12x+5
Y=-3(x+2)2+17
400
A rectangle with a perimiter of 40m is 2m longer than it is wide. Determin the dimensions of the rectangle.
9m x 11m
400
For point A(4,0) and B(10,0) the length of the line segment AB is:
a) 6.5
b)4
c)10
d)6
d)6
400
Solve for B to the nearest degree:
CosB=16.8/21.5
B=39
400
How many zeros does this quadratic relation have:
y=x2-6
2
400
Solve the equation using the quadratic formula: 6x2-x-15
x=5/3, -3/2
500
The student council made $750 from a dance. They put part of the $750 in a savings account that earns 4% interest and the rest in a chequing account that pays 2%. If the total interest for a year is was $27, how much was put in each account?
$600 in savings and $150 in chequing.
500
What is the length of the lign segment with end points x(-5,3) and y(12,-7):
a) 8.1
b)12.2
c)18.4
d)19.7
d)19.7
500
Determine the size of A to the nearest degree.
SinA=0.5299
32
500
Express each quadratic relation in standard form: y=(x-2)2
y=x2-4x+4
500
A cliff diver in Acapulo, Mexico, dives from about 17m above the water. The diver's height above the water h, in meters, after t seconds is modeled by h= -4.9t2+1.5t+17. How long is the diver in the air.