Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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Equations and Inequations
Equations and inequalities describe the relationship between two mathematical expressions.
Linear Functions
A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.
Question
Q32
Transcribed Image Text:1)(x+4) = 2x-6
20.
x(0.5x + 1) = 0.3
21.
(x + 3)²
x(x- 2) 2
24. (x-
23.
2х-3
3
figures if
25.
(3x – 7) = (x + 1)(3x– 7)
(m +
27.
26. (2x + 1)? – (x+1)² = 5
28.
(2z
3
(- 2)(y+3)
(k-
30.
29.
y(y + 1) =-v- 2)(y + 3)
1
31.
Suggest two possible values for d so that the roots of the equation (x – d)"
your method.
32.
It is given that k is a root of the quadratic equation x² + x+c = 0.
(a) Express c in terms of k.
(b) Find the other root of the equation.
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