2
5.5.3 test (cst): systems of linear equations
question 21 of 25
2 points
kathy is mixing fruit punch in a 32-cup punch bowl for a party. she plans to
add at least 20 cups of fruit juice to the bowl before adding ginger ale.
identify the graph that represents the amounts of fruit juice and ginger ale
she can use, and then identify a valid solution. (the graph shows the
overlapping solution region only, not the shading for each inequality.)

im not sure what this means: mc011-7.jpg

step-by-step explanation:

"standard form:

3x2 + 14x − 10 = 0

solutions based on quadratic formula:

x1   = −14 − √ 142 − 4×3×(−10) /   2×3   = −14 − 2 × √ 79 /   6   ≈ −5.296

x2   = −14 + √ 142 − 4×3×(−10) /   2×3   = −14 + 2 × √ 79 /   6   ≈ 0.629

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