Download MCF3M brainwarmup

MCF 3M Grade 11 Functions Brain
Warm-Up
1.
a)
b)
c)
d)
e)
f)
g)
h)
Solve these integer questions
12 + (-17)
(-14) + (-16)
0 - (-25)
(+21) + (+3)
4 - (+14)
(-10)(-10)
(+5) x (-4)
(+3)(-2)(-4)
2.
a)
b)
c)
Find the value of y when x = 0
y = 3x2
y = (x + 2)2
y = -3(x+5)2 + 75
3. a) What does “y intercept” of a
line mean? (explain this)
b)
i)
ii)
iii)
Find the y intercept of each
y = 5x - 3
y = -x + 2
y = 2/3x + 4/3
4. a) What does “x intercept” of a
line mean? (explain this)
b) Describe one way you could find
the x intercept of a line, if you are
given the equation of that line.
4. Describe the shape the graphs
described by each equation
below...be as specific as you can.
a) y = 4x + 7
b) y = - 1/2x + 6
c) y = x2
d) y = -1/5x2 + 5
e) y = 4(x + 3)2 - 8