Timothy evaluated the expression using x = 3
and y = –4.
xy-2
3x2y−4
...
Mathematics, 16.10.2020 05:01 jacob7542
Timothy evaluated the expression using x = 3
and y = –4.
xy-2
3x2y−4
1. (1
3
)x−1y2
2. (1
3
)3−1(−4)2
3. (1
3
)(1
31
)(−4)2
4. (1
3
)(1
3
)(−16)
5. −16
9
Analyze Timothy’s steps. Is he correct? If not, why not?
Yes, he is correct.
No, he needed to add the exponents when he simplified the powers of the same base.
No, he needed to multiply 3 and –1 instead of creating a positive exponent in a fraction.
No, his value of (negative 4) squared should be positive because an even exponent indicates a positive value.
Answers: 2
Mathematics, 21.06.2019 16:30
Solve by any method (graphing, substitution or linear combination)y = x - 82x + 3y = 1a) (2, -6)b) (5, -3)c) (4, -4)d) (0, -8)i figured it out. the answer is (5, -3)
Answers: 1
Mathematics, 21.06.2019 20:50
Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c
Answers: 3
Mathematics, 21.06.2019 22:30
(a.s."similarity in right triangles"solve for xa.) 10b.) 20c.) 14.5d.) [tex] 6\sqrt{3} [/tex]
Answers: 1
Mathematics, 22.06.2019 02:30
Alex buys a home for $276,400. his home is predicted to increase in value 3.5% each year. what is the predicted value of alex’s home in 25 years? a. 621,357 b. 635,191 c. 653,201 d. 673,415
Answers: 1
English, 20.09.2020 06:01
Mathematics, 20.09.2020 06:01
English, 20.09.2020 06:01
History, 20.09.2020 06:01
Mathematics, 20.09.2020 06:01
Health, 20.09.2020 06:01
Geography, 20.09.2020 06:01
Physics, 20.09.2020 06:01