Unit 8.3 - Solving Quadratics by Square Roots Flashcards
(60 cards)
1
Q
x² + 6x - 7 = 0
A
x = {-7, 1}
2
Q
x² - 8x + 15 = 0
A
x = {3, 5}
3
Q
x² + 4x - 12 = 0
A
x = {-6, 2}
4
Q
x² - 10x + 21 = 0
A
x = {3, 7}
5
Q
x² + 2x - 8 = 0
A
x = {-4, 2}
6
Q
x² - 12x + 32 = 0
A
x = {4, 8}
7
Q
x² + 14x + 48 = 0
A
x = {-8, -6}
8
Q
x² - 16x + 63 = 0
A
x = {7, 9}
9
Q
x² + 3x - 10 = 0
A
x = {-5, 2}
10
Q
x² - 5x + 6 = 0
A
x = {2, 3}
11
Q
x² + 7x + 12 = 0
A
x = {-4, -3}
12
Q
x² - 9x + 18 = 0
A
x = {3, 6}
13
Q
x² + 5x - 14 = 0
A
x = {-7, 2}
14
Q
x² - 3x - 10 = 0
A
x = {-2, 5}
15
Q
x² + 9x + 20 = 0
A
x = {-5, -4}
16
Q
x² - 7x + 10 = 0
A
x = {2, 5}
17
Q
x² + 11x + 30 = 0
A
x = {-6, -5}
18
Q
x² - 13x + 40 = 0
A
x = {5, 8}
19
Q
x² + x - 20 = 0
A
x = {-5, 4}
20
Q
x² - x - 12 = 0
A
x = {-3, 4}
21
Q
x² - 5 = 0
A
x = ±√5
22
Q
x² - 12 = 0
A
x = ±2√3
23
Q
x² + 16 = 25
A
x = ±3
24
Q
2x² - 18 = 0
A
x = ±3
25
3x² - 27 = 0
x = ±3√3
26
x² - 20 = 0
x = ±2√5
27
x² + 9 = 15
x = ±√6
28
x² - 40 = 0
x = ±2√10
29
4x² - 16 = 0
x = ±2
30
x² - 18 = 0
x = ±3√2
31
x² - 48 = 0
x = ±4√3
32
2x² - 50 = 0
x = ±5
33
x² - 75 = 0
x = ±5√3
34
x² - 28 = 0
x = ±2√7
35
x² - 54 = 0
x = ±3√6
36
3x² - 48 = 0
x = ±4
37
x² - 32 = 0
x = ±4√2
38
5x² - 45 = 0
x = ±3
39
x² - 63 = 0
x = ±3√7
40
x² - 98 = 0
x = ±7√2
41
x² + 4x - 5 = 0
x = {-5, 1}
42
x² - 6x + 8 = 0
x = {2, 4}
43
x² + 2x - 15 = 0
x = {-5, 3}
44
x² - 8x + 12 = 0
x = {2, 6}
45
x² + 10x + 21 = 0
x = {-7, -3}
46
x² - 12x + 35 = 0
x = {5, 7}
47
x² + 6x - 7 = 0
x = {-7, 1}
48
x² - 4x - 5 = 0
x = {-1, 5}
49
x² + 8x + 15 = 0
x = {-5, -3}
50
x² - 10x + 24 = 0
x = {4, 6}
51
x² + 2x - 3 = 0
x = {-3, 1}
52
x² - 6x + 5 = 0
x = {1, 5}
53
x² + 4x - 12 = 0
x = {-6, 2}
54
x² - 8x + 7 = 0
x = {1, 7}
55
x² + 10x + 16 = 0
x = {-8, -2}
56
x² - 12x + 27 = 0
x = {3, 9}
57
x² + 6x - 16 = 0
x = {-8, 2}
58
x² - 4x - 21 = 0
x = {-3, 7}
59
x² + 8x + 12 = 0
x = {-6, -2}
60
x² - 10x + 21 = 0
x = {3, 7}
