Download Section 1.2 Linear Equations in One Variable (C)

Section 1.1.2
Linear Equations in One Variable (C)
Solve the equation below for x, rounding your answer to three
decimal places:
1.7x  3.9  2.1x  4.8
Y1  1.7x  3.9  2.1x  4.8
Y2  0
Y1  1.7x  3.9  2.1x  4.8
Steps 1 and 2
Step 3
Y2  0
Step 4
Step 1
(2nd)
Step 4
(Enter)
Step 2
(Calc)
Step 5
(Enter)
Step 3
(5)
Step 6
(Enter)
Step 5
Step 6
(move close)
(answer)
x-intercept of curve must appear in window
2nd – Calc – 5 – Enter (choose) – Enter – (move close) - Enter
Solve the equation below for x, rounding your answer to three
decimal places where appropriate:
7  3x  11  4  2x  1  5
Y1  7  3 x  11  4  2x  1  5
Y2  0
x-intercept of curve must appear in window
2nd – Calc – 5 – Enter (choose) – Enter – (move close) - Enter
Solve the equation below for x, rounding your answer to three
decimal places where appropriate:
0.5x  0.2 100  x   423
Y1  0.5x  0.2 100  x   423
Step 1
(2nd)
Step 2
(Tblset)
Step 3
(2nd)
Step 4
(Table)
Y2  0
x-intercept of curve must appear in window
2nd – Calc – 5 – Enter (choose) – Enter – (move close) - Enter
Solve the equation below for x, rounding your answer to three
decimal places where appropriate:
2.3x + 7.1(32 – x) = 721.32
x = -102.942
x-intercept of curve must appear in window
2nd – Calc – 5 – Enter (choose) – Enter – (move close) - Enter
Solve the equation below for x, rounding your answer to three
decimal places where appropriate:
2(18x – 16.4) = 13x + 2(9x – 4.7) + 5(x – 2)
No Solution