Pls help I will give brainliest

make sure you have version 2.50

try looking in the very back of the book : )

step-by-step explanation:

you can download it here

"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

its   c, f, a

step-by-step explanation:

i think its 7.6

if so your welcome