Precalc midterm review

Write the equation for the line.

• y= -1x+3
• y= 4x+3
• y=(1/4)x+3
• y= -4x+3

Tags

CCSS.HSF.LE.A.2

CCSS.8.F.B.4

Which equation best represents the relationship between x and y in the table shown?

• y= 5x+5
• y=1/5x+5
• y=15x+5
• y=10x+5

Tags

CCSS.HSF.LE.A.2

CCSS.8.F.B.4

Graph. y = 2/3x - 3

• a
• b
• c
• d

What is the vertex form for a vertex of (-3,-5) and when a=-2?

• y = -2(x-3)²+5
• y = -2(x+3)²+5
• y = -2(x+3)²-5

What is the axis of symmetry of the given function?

• y = 1
• y = -1
• x = 1
• x = -1

What is the y intercept for the equation:
y = -8x² + 3x - 7

• (0, -8)
• (0, 3)
• (0, 7)
• (0, -7)

Tags

CCSS.HSF-IF.C.7A

Which equation best represents the graph?

• y = 2(x - 4)² + 5
• y = 2(x + 4)² + 5
• y = -2(x - 4)² + 5
• y = -2(x + 4)² + 5

Tags

CCSS.HSF-IF.C.7A

Which function could represent the graph of f(x) shown in the picture? Think about where it crosses the x - axis and what its linear factors would be.

• f(x) = (x - 2)(x - 4)(x + 1)

• f(x) = (x - 2)(x + 4)(x -1)

• f(x) = (x + 2)(x - 4)(x +1

• f(x) = (x + 2)(x + 4)(x - 1)

The height of a water balloon that is launched into the air is given by h(t) = -5x²+20x+25. When will the balloon explode on the ground?

• 5 seconds

• 1 second

• 2 seconds

• 3 seconds

You and some friends went to a haunted house on Halloween. The mummy scared one friend so much that she jumped into the air! The equation h = -4t² + 2t models her jump where h is her jump's height in feet t seconds after the mummy scares her. When did she reach her maximum height?

• 0.1 seconds

• 0.25 seconds

• 0.50 seconds

• 1 second

• 2 seconds