Quadratic Conversion

What does the highlighted area simplify to?

• 169

• 151

• -17

• 160

What does the highlighted area simplify to?

• 73

• 169

• 70

• -26

Convert to vertex form.

• y=-(x-5)² + 21

• y=-(x+5)² + 21

• y=-(x+10)² + 21

• y=-(x-10)² + 21

Convert the quadratic below to standard form:
y=-2\left(x-1\right)\left(x+3\right) 

What is the value of c? 
answer should be ONE number with no spaces

Convert to standard form: y = 5(x+9)² -17

• y = 5x² + 90x +388

• y = 5x² - 90x +388

• y = 5x² - 90x - 388

• y = -5x² + 90x +388

• y=x²-25x-22

• y=x²-10x-22

• y=x²-10x+22

• y=x²-25x+22

Which answer choice describes  y = -3x² +7x - 2 accurately?

• opens up with a maximum

• opens up with a minimum

• opens down with a maximum

• opens down with a minimum 

Convert factored form to standard form, and type answer with ^ for exponents. No spaces! Type the answer as a function, f(x):

Convert vertex form to standard form, and type answer with ^ for exponents. No spaces! Type the answer as a function, f(x):

Convert vertex form to standard form: f\left(x\right)=2\left(x-3\right)^2+9