roots, zeroes, and solutions for quadratics day 2
TRANSCRIPT
Roots, Zeroes, and Solutions For Quadratics Day 2
Find roots from the given equation:
𝑎2+12𝑎+32
1.
What is the solution set for the equation 2x2 − 16x − 96 = 0?
A {4, 12}B {−4, 12}C {−4, −12}D {4, −12}
2.
What are the roots of the quadratic equation x2 − 3x + 2 = 0? A −2 and −1 C 2 and −1 B −2 and 1 D 2 and 1
3.
What are the roots of the function graphed below?
F (−1, −9) and (0, −8)G (0, −4) and (2, 0)H (−4, 0) and (2, 0)J (0, 2) and (0, −4)
4.
The graph of f (x) = x2 + x − 6 is shown below. Which of the following is a zero of this function?
F −6G 3H −2J 2
5.
What are the x-intercepts of the graph of the equation y = x2 + x − 12?
A x = 4, x = 3 C x = −4, x = −3
B x = −4, x = 3 D x = 4, x = −3
6.
Find roots from the given equation:
𝑥2−4 𝑥+3=0
7.
8.
What are the zeros of the function f (x) = −4(x − 3)(x + 5)?
A −12 and 20 C −4 and −5 B −5 and 3 D −3 and 5
9.
The graph of y = x2 + 2x − 8 is shown below.Which coordinate pair best represents the vertex of this graph?
F (−4, 0)G (2, 0)H (0, −8)J (−1, −9)10.
11.
Find zeros from the given equation:
𝑚2+17𝑚+66=0
12.
What are the different words that mean x intercepts for quadratics?
13.