7-1 & 7-2 test

 $f\left(x\right)=x^2+4x-5$  find the max or min

• min at -2, -9

• min at 2, -9

• max at -2, 9

Tags

CCSS.HSA.REI.B.4

 $f\left(x\right)=x^2+4x-5$  find the axis of symmetry

• x = 2

• x = -2

Tags

CCSS.HSA.REI.B.4

 $f\left(x\right)=x^2+4x-5$  find the zeros

• -5, 1

• -5, -1

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

 $f\left(x\right)=x^2+4x-5$  find the Domain and range

•  $-\infty,\infty$  and [9,  $\infty$ ) 

•  $-\infty,\infty$  [-9, $\infty$  )

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.IF.B.5

What is the vertex of the parabola with the equation
 f(x) = -2(x + 4)² - 3

• (-4, -3)
• (4, 3)
• (-4, 3)
• (4, -3)

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What is the vertex of the parabola with the equation
f(x) = -2(x - 4)² - 3

• (-4, -3)
• (4, 3)
• (-4, 3)
• (4, -3)

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What is the vertex of the parabola with the equation
 f(x) = -2(x - 4)² + 3

• (-4, -3)
• (4, 3)
• (-4, 3)
• (4, -3)

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What are the x-intercepts of the parabola with the equation
g(x) = 2(x - 3)(x - 4)

• (3,0) , (4,0)
• (0,3) , (0,4)
• (-3,0) , (-4,0)
• (0,-3) , (0,-4)

Tags

CCSS.HSF-IF.C.7A

Which function has a minimum?

• f(x) = 2x² + 3x + 4
• f(x) = -2x² + 3x + 4
• f(x) = -(x - 4)(x - 5)
• f(x) = -4(x - 2)² + 4

Tags

CCSS.HSF-IF.C.7A

f(x) = -2x² + 3x + 1
What is f(1)?

• 2
• 1
• 0
• -3

Tags

CCSS.HSF.IF.A.2