1. Sketch the graph of a quadratic equation with each set of conditions. a. One x-intercept and all nonnegative y-values b. The vertex in the third quadrant and no x-intercepts c. The vertex in the third quadrant and two x-intercepts d. The vertex on the y-axis and two x-intercepts, opening upward 2. Use a graph to find the number of solutions for each function. a. 0 ! 4(x " 3)2 # 5
b. 0 ! #4(x " 3)2 # 5
c. 0 ! (x " 5)2
d. 0 ! 3(x # 1)2 " 1
e. 0 ! x 2 # 8x " 16
f. 0 ! x 2 # 4x " 2
g. 0 ! #3x 2 # 6x " 11
h. 0 ! #3x 2 # 6x # 11
i. 0 ! x 2 " 8x " 16 3. For each equation, find the solutions to the nearest hundredth by
zooming in on a table or graph. a. 0 ! x 2 " x " 1
b. 0 ! x 2 # 5x " 3
c. 0 ! 2x 2 # 13x " 9
d. 0 ! 7x 2 #10x # 3
e. 0 ! 2(x " 5)2 # 3
f. 0 ! 0.5(x # 3)2 " 2
4. Use a symbolic method to solve each equation. Show each solution
exactly as a radical expression. a. x 2 ! 21
b. x 2 # 5 ! 18
c. 2(x " 1)2 # 4 ! 10
d. x 2 " 16 ! 0
e. x 2 # 13 ! 27
f. $$ x " $$
1 6
!
1 2
" " $34$ ! $94$ 2
5. Given the two functions f(x) ! x 2 # 4x " 5 and g(x) ! 3x 2 " 2x # 1,
b. The vertex in the third quadrant and no x-intercepts c. The vertex in the third quadrant and two x-intercepts d. The vertex on the y-axis and two x-intercepts, opening upward. 2. Use a graph to find the number of solutions for each function. a. 0 4(x. 3)2. 5 b. 0. 4(x. 3)2. 5 c. 0 (x. 5)2 d. 0 3(x. 1)2. 1 e. 0 x2. 8x. 16 f. 0 x2. 4x. 2 g.
10.0 Students graph quadratic functions and determine the maxima, minima, and zeros of ... 6.1, 6.2, 6.3, 6.4 and 6.6 in Glencoe/Mc-Graw Hill Algebra 2 (2005).
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