2.2 Warm Up

If two lines are perpendicular to each other their slopes are ____________

• the same.

• negative reciprocals of each other.

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.GPE.B.5

Write the equation of a line PERPENDICULAR to 3x + y = 1 that passes through the point (3, -1).

• $y=\frac{1}{3}x$

• $y=\frac{1}{3}x-2$

• $y=-3x+8$

• $y=\frac{1}{3}x+\frac{10}{3}$

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.GPE.B.5

What is f(2)?

• -4
• 8
• 0
• 5

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

If f(x)=6x²-4,
what is f(-1)?

• -2
• 13
• 2
• 0

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

Suppose f(x) = x² - 8. Evaluate f(2) - f(3).

• -7

• 5

• -1

• -5

Which relation is NOT a function?

• {(1,-5), (3,1), (-5,4), (4,-2)}
• {(2,7), (3,7), (4,7), (5,8)}
• {(1,-5), (-1,6), (1,5), (6,-3)}
• {(3,-2), (5,-6), (7,7), (8,8)}

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.
• Yes, because each x-value has only one y-value paired with it.
• No, because the x-value 11 has two y-values pair with it.
• No, because each x-value has only one y-value paired with it.

Tags

CCSS.HSF.IF.A.1

Is this graph a function or not a function? 

• Function 
• Not a Function

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

• Function
• Not a Function

Tags

CCSS.HSA.REI.D.10

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What is the Domain?

• {-3, -1, 1, 3, 5, 7, 9}
• {-3, -2, -1, 0, 1, 2, 3}
• -3 ≤ x ≤ 3
• -3 ≤ x ≤ 9

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5