Unit 2 Part 1 Study Guide

What direction is the following equation opening?

y=-3x²-7x+8

• up

• left

• right

• down

What is the axis of symmetry for the following equation?

y=4x²-8x+9

• x=-8x

• x=1

• x=-1

• x=2

Which equation is in standard form of y=(x+2)(x-5)

• y=x²-7x-10

• y=x²-3x-10

• y=2x²-7x

• y=x²+7x-10

What is the equation for the axis of symmetry for the graph shown?

• x=-3

• y= -3

• x=2

• y=2

What is the y- intercept of the equation y=-2x²+3x-5

• y=-2

• y=3

• y=10

• y=-5

What direction is the following equation opening?

y=x²+8x-15

• up

• left

• right

• down

What is the vertex for the equation y=x²-6x-7

• (3,0)

• (3,-16)

• (-16,3)

• (0,-7)

Which direction does the graph open with the equation y=2x²+3x-7

• up

• down

• left

• right

What is the range for the quadratic graphed?

• All real numbers

• $0\le x\le4$

• $0\le x\le200$

• $0\le y\le2000$

Which of the following is the standard form of a quadratic?