Post on 29-Jan-2016
Roots, Zeroes, and Solutions For Quadratics Day 2
Find roots from the given equation:
π2+12π+32
1.
What is the solution set for the equation 2x2 β 16x β 96 = 0?
A {4, 12}B {β4, 12}C {β4, β12}D {4, β12}
2.
What are the roots of the quadratic equation x2 β 3x + 2 = 0? A β2 and β1 C 2 and β1 B β2 and 1 D 2 and 1
3.
What are the roots of the function graphed below?
F (β1, β9) and (0, β8)G (0, β4) and (2, 0)H (β4, 0) and (2, 0)J (0, 2) and (0, β4)
4.
The graph of f (x) = x2 + x β 6 is shown below. Which of the following is a zero of this function?
F β6G 3H β2J 2
5.
What are the x-intercepts of the graph of the equation y = x2 + x β 12?
A x = 4, x = 3 C x = β4, x = β3
B x = β4, x = 3 D x = 4, x = β3
6.
Find roots from the given equation:
π₯2β4 π₯+3=0
7.
8.
What are the zeros of the function f (x) = β4(x β 3)(x + 5)?
A β12 and 20 C β4 and β5 B β5 and 3 D β3 and 5
9.
The graph of y = x2 + 2x β 8 is shown below.Which coordinate pair best represents the vertex of this graph?
F (β4, 0)G (2, 0)H (0, β8)J (β1, β9)10.
11.
Find zeros from the given equation:
π2+17π+66=0
12.
What are the different words that mean x intercepts for quadratics?
13.