Alg 1 Q4 Review

Find the discriminant of the following equation

y=6x² + x - 8 = 0

• 193

• 176

• 245

• 195

The equation, shows b(t)=500(3)^t where b stands for bacteria and t stands for minutes?

Determine what 500 stands for.

• 500 Minutes

• initial value

• Rate of Decay

• Rate of Growth

Which equation is quadratic?

• y=10x+1

• y=x^2+3x+1

• y=2x+3

• 1+1=2

Find the point of intersection of these 2 equations. y=x^2 + 3x + 1

y=2x + 1

• (3,1) (4, -5)

• (5,7) (2,6)

• (0,1) (-1,-1)

• None of the above.

What is the inverse to y=-3x+3?

• x= 3y-3

• x=-1/3y+3

• x=3/4y-4

• x=-4y+7

How many solutions are they´re when the discriminant is 0.

• 1

• 4

• 2

• 0

What is the difference between these two equations y=3x+4 and y=x²-2x-2

• one is quadratic and one is piecewise

• one is linear and one is exponential

• one is linear and one is piecewise

• one is linear and one is quadratic

What is the vertex of the absolute function -2x-3+4?

• (3,4)

• (-3,-4)

• (3,-4)

• (-3,4)

What is the inverse of x=-1/3y+1?

• y=-3x-3

• y=3x+3

• No inverse

• y=-3x+3

Which statement below is TRUE regarding the two functions?

• Both functions are linear

• Both functions are increasing

• Both functions have a y-intercept of 1

• Both functions are exponential growth