Explain why the indicated triangles are congruent.S is the midpoint of 
and 
? 
. Explain why ?RUS ? ?TUS.
What will be an ideal response?
Since S is the midpoint of 
(given), 
? 
. 
? 
is given. Also, 
? 
. So three sides of ?RUS are congruent to the corresponding parts of ?TUS. So ?RUS ? ?TUS by SSS.
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Solve by trial.x + 0 = 7
A. 9 B. 0 C. 7 D. 6
Solve the equation.
y + 6 = 
A. 
B. - 
C. - 
D. - 
Find the intercepts of the function f(x).f(x) = (x - 2)2(x2 - 9)
A. x-intercepts: 2, 9; y-intercept: 18 B. x-intercepts: -2, -9; y-intercept: 18 C. x-intercepts: -3, 2, 3; y-intercept: -36 D. x-intercepts: -3, 2, 3; y-intercept: 36
Write an equivalent expression for the function that could be graphed with a graphing calculator. Then graph the function with a graphing calculator.f(x) = log5 x - x + 1
A. f(x) = 
- x + 1
B. f(x) = 
- x + 1
C. f(x) = 
- x + 1
D. f(x) = 
- x