Question

for the equation y=12x + 90 what is the slope
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Answer 1

Let's solve for x.
y
=
12
x
+
90
Step 1: Flip the equation.
12
x
+
90
=
y
Step 2: Add -90 to both sides.
12
x
+
90
+
−
90
=
y
+
−
90
12
x
=
y
−
90
Step 3: Divide both sides by 12.
12
x
12
=
y
−
90
12
x
=
1
12
y
+
−
15
2
Answer:
x
=
1
12
y
+
−
15
2