4. a. P(1, 2) and
Q(4, 7)
b. A(−1, 5) and
B(1, −3)
c. X(6, 5) and
Y(−4, 0)
June 23, 2016 4
5. A linear equation is made up of an
x-term and a constant term.
For 𝑦 = 3𝑥 − 5:
What is the coefficient of x? ______
What is the constant term?______
June 23, 2016 5
6. June 23, 2016 6
For each linear equation graphed:
a) Write the coefficient of x:
• 𝒚 = 𝟐𝒙 + 𝟏 _______
• 𝒚 = 𝟐𝒙 − 𝟑 _______
b) Use the graph to find the
gradients
• 𝒚 = 𝟐𝒙 + 𝟏 _______
• 𝒚 = 𝟐𝒙 − 𝟑 _______
c) What do you notice?
7. June 23, 2016 7
For each linear equation graphed:
a) Write the constant term:
• 𝒚 = 𝟐𝒙 + 𝟏 _______
• 𝒚 = 𝟐𝒙 − 𝟑 _______
b) Use the graph to find the
y-intercepts
• 𝒚 = 𝟐𝒙 + 𝟏 _______
• 𝒚 = 𝟐𝒙 − 𝟑 _______
c) What do you notice?
