Test1Solutions3

# Test1Solutions3 - Intermediate Algebra Test 1(Chapters 1 2...

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Intermediate Algebra - Test #1 (Chapters 1 & 2) . Show all work for full credit, if work can be shown... 1.. (10 p h ) Simplify using the laws of exponents. Your final expression should have ositive taxponents 5 -4 0 14x y z - 2. (10 p h ) Find the equation of the line that is parallel to the line 4x + 5 y = 10 and passes through the point (- 3,- 10). Write your solution in y = mx + b form.

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3. (10 ptr) Graph and state the slope and y-intercept for the following graph: 3~ - 9y = 18 y-intercept = (0 - 2) y = 5/37-2 I I ,,,b X ' O / y = -2 9 CCO) 4. We can convert temperatures fiom degrees Celsius to Fahrenheit by using the formula F' := -C + 32. ' C ukM J a. Find the y-intercept (0 3 2) c=O, F=3Z b. Explain in words what the y-intercept means (Notice that O°C is the fieezing point of water) c. Find the slope F" = 9/5 r ; ~ & d. Explain in words what the slope means = - n AC
--- - 2. nr .-- f (x) = x2 - 2 and g(x) = 3x, L I r a Find ( fg)(5) L- I T -- -l ' I ti-: tri-: bC-,--; - L c. Find u+ K-5) e. Find f (r + 3) and simplify your result. +hk 3%- 2. C I rt 3) rn thc

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(1s pta) Given the fc i. ' Find f(-1) =

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