4* + 2*+1 %3D А. 1 B. 2*-1 С. 2% D.-
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.2: Exponents And Radicals
Problem 90E
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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
Solve Q1, 2 & 13 showing clearly all steps
Transcribed Image Text:1) 4* 2*+1
1
A. 1
B: 2*-1
C. 2* D.
2) If 4* = 2*+1 then x =
A. 2
C. -
С.
3
1
D.
2
B. 1
3) Given that 4* – 3(2*) + 2 = 0 the value(s) of x is (are):
A. 2 B. 1 C. 2 and 0 D: 1 and 0
4) The value(s) of m for which: 1-2e-m- 3e
A 0 and In3 B. -1 and In3
5) If 8*-3= 4*+1, then x =
– 2m =0 is (are):
С.О
D. In3
C. - 11 D.- 7
A. 11
5) If x+ x
В. 10
1/3
6 = 0, the value(s) of x is (are)
В. —9,4
-
C. -27, 8
D. 27,8
А. —3, 2
7) If 4* = 2*+1 – 1, then x =
С. 1
-Đ.
2
A. -1
В.О
1
8) If 2x-1=then x =
A. -
1
B.
D.
2
-
|
4
2
4
9) The value of x for which -
(27)-3* is
3
3
11
7
A.
3
D.
11
7
X+2
10) If 3*-1= (V3)
then x =
A. 0
В.-5
D.--4
11) The solution of the equation 32x+1
+ 7(3*) -- 6 = 0 is
2
B. In
2
D.
3.
A. - 1
C. In
3
12) If52x-1 6(5*)+ 25 = 0 then x
A. 1, 2
•13) Given that x and y are greater than 1 and that:x = y2x and y = x³, the values of x and y
|
В. О, 2
С. 2
D. 1
%3D
are:
A. x = 3, y = 9B. x = 2, y = 8 C. x = 9,y = 21 D. x = 9, y = 27
14) If log: 125 = m then m =
A -3
В. —2
С. 1
D. 3
a 15) (log3 25)(log; 3) =
A. logg 28
16) If x = log2 3 then 16*
A. 27 B. 81 C. 3 D. 9
17) Given that e3* - 3ex - 4e-* = 0 the real value of x is:
В. 2
C. log15 75
D. 5
%3D
|
A. -In1
B.ln 4 In+
D. -In4
2
2
4
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