1.
What is the final answer to this
Think of a Number
trick?
Think of a number.
Multiply by 4.
Subtract 8.
Divide by 2.
Add 4.
A.
the answer is 2 times the number you started with
B.
the answer is 2 less than the number you started with
C.
the answer is –2 times the number you started with
D.
the answer is 2 more than the number you started with
Hint
2.
Simplify the equation.
y
= –2(
x
– 7) – (9 + 5x)
A.
y
= 7
x
– 5
B.
y
= 3
x
– 16
C.
y
= –16
x
+ 3
D.
y
= –7
x
+ 5
Hint
3.
Which equation is not linear?
A.
B.
5
x
– 2
y
= 4.1
C.
–3
y
+
x
– 16 + 2.9
x
= 0
D.
y
= –2(–8 –
x
) – 5
x
(
x
– 1)
Hint
4.
Which equation is not the same as the other three?
A.
B.
C.
6 + 2
y
=
x
D.
Hint
5.
Name a similarity and a difference among the three graphs below.
7
x
+
y
+ 8 = 0
–7
x
+
y
+ 8 = 0
–3
x
–
y
– 8 = 0
A.
The graphs have the same slope and
y
-intercept.
B.
The graphs have the same
y
-intercept, but different slopes.
C.
The graphs have the same slope, but different
y
-intercepts.
D.
None of the graphs have the same slope nor the same
y
-intercept.
Hint