If two lines are parallel but never meet, what can we say about their slopes and y-intercepts
Slopes are the same, y-intercepts are different
What is the distance between the points (3,-2) and (9,6)?
10 units
What do the zeroes of a quadratic refer to?
the x-intercepts
Should you use the sine law or the cosine law to solve this triangle?
Sine law
Express as a power of 2:
16 x 45 x 1/2-3
217
What is the solution to the following system of linear equations?
4a – 4b = 10 -4a – 5b =8
(0.5, -2)
The equation of a circle with the centre at (0, 0) and a DIAMETER of 8 units is
x2 + y2 = 16
What are the zeroes of y=x2 -8x?
0 and 8
Two triangles are similar. Corresponding sides measure 3 and 15cm. If the perimeter of the smaller triangle is 12 cm, what is the perimeter of the larger triangle?
60cm
What is the equation for a standard parabola that opens down, is translated left 3, up 4, and stretched by 5
y= -5(x+3)2 +4
Graph the following system of equations. Then state the solution.
y = –2x + 5
4x – y = 1
(1,3)
A triangle has sides with slopes 3/4 and -4/3. What type of triangle is it?
A right triangle
Solve for x:
x2 + 5x - 36 = 0
x = -9 or x = 4
What is the measure of x, to one decimal place?
29.7o
Express the area of the shaded portion as an algebraic expression

9x + 84
Ahmed bought 15 movie tickets for $123. He bought a combination of student tickets for $7 each and adult tickets for $10 each. How many tickets of each type did Ahmed buy? Use the method of your choice to solve this problem.
6 adult, 9 student
A ramp rises 8 cm for every 66 cm horizontal distance. What is the slope angle correct to 1 decimal place?
6.9o
Complete the square and state the vertex for this equation:
y= -0.5x2 - 6x+3
(-6,21)
An airplane is observed from two observation stations 20 miles apart. The angles of elevation from the stations are 15o and 30o. What is the altitude of the airplane? Answer to 1 decimal place.
3.9 miles
Ayesha launched a rocket held on a stand. The height of the rocket, h, measured in metres, after t seconds is modelled by h = –6.1t2 + 40t + 1.8 . At what time(s) will the rocket reach the height of 15 m? Show the steps of your solution. Round your final answer to one decimal place.
6.2 seconds and 0.3 seconds