Rewrite the expression without using negative exponents. (Assume all variables represent nonzero real numbers.)
A. a2b4
B. 
-2
C. 1
D. 
Answer: A
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When a car makes an emergency stop on dry pavement, it leaves skid marks on the pavement. The length L, in feet, of the skid marks is related to the speed S, in miles per hour, when the brakes were applied. The relationship is
.
A: Make a graph of S against L for skid mark lengths up to 200 feet.B: A man involved in an emergency stop claimed his speed was between 30 and 40 miles per hour. Add the horizontal lines represented by
and 
to the graph you made in part A.C: What range of skid mark length would support the driver's claim? Round your answer to two decimal places/
What will be an ideal response?
Multiply, and then simplify if possible. Assume all variables represent positive real numbers.(
+ -3)(
+ 3
+ 9)
A. 
+ 6
- 9
+ 3
- 27
B. 3
+ 7
- 9
- 27
C. 3
+ 
+ 6
- 9
- 27
D. 6
- 9
+ 3
+ 
- 27
Use factoring to find the zeros of the quadratic function. List the x-intercepts of the graph of the function.g(x) = x2 - 2x - 35
A. x = -7, x = 5 B. x = -7, x = - 5 C. x = 7, x = - 5 D. x = -35, x = 0
Find the coordinates of the vertex and x-intercepts for the quadratic function.f(x) = x2 - 6x + 5
A. vertex (3, -4) x-intercepts (5, 0), (1, 0) B. vertex (-3, 4) x-intercepts (-5, 0), (- 1, 0) C. vertex (3, 4) x-intercepts (5, 0), (1, 0) D. vertex (-3, -4) x-intercepts (-5, 0), (- 1, 0)